1998 Lexus SC 400 Owners Manual
1998 Lexus SC 400 Manual
1998 Lexus SC 400 manual content summary:
- 1998 Lexus SC 400 | Owners Manual - Page 1
WE REALLY CARE ABOUT YOU - PLEASE BUCKLE UP Lexus has made a special effort to encourage use of seat belts. Lexus belts are: D Comfortable D Easy to use D Convenient We encourage you to use your belts every time you drive. SC400/300 (U) - 1998 Lexus SC 400 | Owners Manual - Page 2
Drain and refill SC400 - with filter without filter SC300 - with filter without filter Coolant type - Ethylene - glycol coolant (Do not use alcohol coolant.) For checking the engine coolant, see page 253. For changing the engine coolant, see the label on the coolant reservoir. D Manual transmission - 1998 Lexus SC 400 | Owners Manual - Page 3
to the growing group of value-conscious people who drive Lexus vehicles. We are proud of the advanced engineering and quality construction of each vehicle we build. This Owner's Manual explains the features of your new Lexus. Please read it and follow the instructions carefully so that you can - 1998 Lexus SC 400 | Owners Manual - Page 4
is performed. Section 5 of this Owner's Manual gives details of these maintenance requirements. Included in Section 6 is general maintenance. For scheduled maintenance information, please refer to the separate "Owner 's Manual Supplement/Maintenance Schedule". Scrapping of your Lexus The SRS airbag - 1998 Lexus SC 400 | Owners Manual - Page 5
what to do in the event of an urgent situation such as the engine not starting or getting a flat tire, etc. If such a problem occurs, check the contents of this Owner's Manual and follow the instructions given. BASIC OPERATION - QUICK REFERENCE Operation of basic equipment is briefly explained in - 1998 Lexus SC 400 | Owners Manual - Page 6
risk of damage to your Lexus and its equipment. Your Lexus Owner's Manual provides you with a considerable amount of information. To use this information most effectively, please take the time to familiarize yourself with the contents and use of the manual. In this manual, you will also see a circle - 1998 Lexus SC 400 | Owners Manual - Page 7
PICTORIAL INDEX INSTRUMENT PANEL (SC400) 65S009-2 5 5. - 1998 Lexus SC 400 | Owners Manual - Page 8
19 20 21 Driving position memory switch ...100 Power rear view mirror control switch ...68 Door lock switch and Headlight, turn signal and fog light switch ...20, 22 Traction brake lever ...144 Driving pattern selector switch ...148 Seat heater switches ...27 Ashtray ...44 Automatic transmission - 1998 Lexus SC 400 | Owners Manual - Page 9
PICTORIAL INDEX INSTRUMENT PANEL (SC300) 65S014-1 7 7. - 1998 Lexus SC 400 | Owners Manual - Page 10
19 20 21 Driving position memory switch ...100 Power rear view mirror control switch ...68 Door lock switch and Headlight, turn signal and fog light switch ...20, 22 Traction brake lever ...144 Driving pattern selector switch ...159 Seat heater switches ...27 Ashtray ...44 Automatic transmission - 1998 Lexus SC 400 | Owners Manual - Page 11
PICTORIAL INDEX INSTRUMENT CLUSTER (SC400) 65S007-6 9 9. - 1998 Lexus SC 400 | Owners Manual - Page 12
Cruise control indicator light ...169 Low engine oil level warning light ...35 Low washer fluid warning light ...36 Rear light failure warning light ...36 Seat belt reminder light ...34 Brake system warning light ...33 Open door warning light ...35 SRS airbag warning light ...34 Discharge warning - 1998 Lexus SC 400 | Owners Manual - Page 13
PICTORIAL INDEX INSTRUMENT CLUSTER (SC300) 65S013-2 11 11. - 1998 Lexus SC 400 | Owners Manual - Page 14
Cruise control indicator light ...169 Low engine oil level warning light ...35 Low washer fluid warning light ...36 Rear light failure warning light ...36 Seat belt reminder light ...34 Brake system warning light ...33 Open door warning light ...35 SRS airbag warning light ...34 Discharge warning - 1998 Lexus SC 400 | Owners Manual - Page 15
WHEEL Page 1 2 3 4 5 Tilt and telescopic steering adjustment switch ...65 Auto mode button ...66 Tilt steering adjustment lever ...67 Telescopic steering adjustment lever ...67 Seat position, seat cushion angle and height control switch ...61 Seatback angle control switch ...61 Lumbar support - 1998 Lexus SC 400 | Owners Manual - Page 16
Trunk lid ...53 Fuel filler door ...54 Hood ...52 Headlights ...20, 295 Moon roof ...56 Outside rear view mirror ...68 Door ...17 Windshield wiper and washer ...22 Tire and wheel ...265 65S012-4 5 6 7 8 9 10 65S011-4 For detailed information, refer to the description given in each section. 14 - 1998 Lexus SC 400 | Owners Manual - Page 17
PICTORIAL INDEX 15 15. - 1998 Lexus SC 400 | Owners Manual - Page 18
BASIC OPERATION QUICK REFERENCE Driver's seat ...Steering wheel (Power type) ...Steering wheel (Manual type) ...Automatic transmission (SC400) ...Automatic transmission (SC300) ...Headlight and turn signal switch ...Wiper switch ...2 2 3 4 5 6 7 1 - 1998 Lexus SC 400 | Owners Manual - Page 19
to the desired angle, push the control button in the required direction and release the button when the steering wheel reaches the desired angle. D TELESCOPIC STEERING WHEEL To move the steering wheel to the desired position, push the control button away from you or pull it toward you until the - 1998 Lexus SC 400 | Owners Manual - Page 20
BASIC OPERATION - QUICK REFERENCE 3. STEERING WHEEL (Manual type) D TILT STEERING WHEEL D TELESCOPIC STEERING WHEEL To tilt the steering wheel up or down to the desired angle: 1. Pull the lever up while holding the steering wheel. 2. Push or pull the steering wheel to the desired angle. 3. Release - 1998 Lexus SC 400 | Owners Manual - Page 21
for more powerful engine braking L: Position for maximum engine braking *: When the cruise control is being used, even if you downshift from "D" to "4", engine braking will not be applied because the cruise control is not cancelled. For the operation to decrease the vehicle speed, see page 172 - 1998 Lexus SC 400 | Owners Manual - Page 22
for more powerful engine braking L: Position for maximum engine braking *: When the cruise control is being used, even if you downshift from "D" to "3", engine braking will not be applied because the cruise control is not cancelled. For the operation to decrease the vehicle speed, see page 172 - 1998 Lexus SC 400 | Owners Manual - Page 23
BASIC OPERATION - QUICK REFERENCE 6. HEADLIGHT AND TURN SIGNAL SWITCH D HEADLIGHT SWITCH D TURN SIGNAL SWITCH 6 - 1998 Lexus SC 400 | Owners Manual - Page 24
BASIC OPERATION - QUICK REFERENCE 7. WIPER SWITCH 7 - 1998 Lexus SC 400 | Owners Manual - Page 25
SECTION INSTRUMENTS AND CONTROLS Keys and doors 1- 1 Keys ...9 Engine immobiliser system ...11 Wireless remote control ...12 Doors ...17 8 - 1998 Lexus SC 400 | Owners Manual - Page 26
Lexus dealer using the key number. You should also put a copy of the key number with your important papers. Master key (black) - The master key works in every lock. For your Lexus dealer to make you a new this flat key, you cannot start the engine with this key. Use this key to release the lock in - 1998 Lexus SC 400 | Owners Manual - Page 27
the key case become bent as the key may fall out or become bent also. D The flat key is designed for emergency use only. D When starting the engine, do not use the key in contact with another transponder key (including keys of other vehicles) and do not press another key plate against the - 1998 Lexus SC 400 | Owners Manual - Page 28
. At this time, the security indicator light at the bottom of the instrument cluster flashes. When you insert the key in the ignition switch, the security indicator light goes out and the system is canceled automatically, which enables the engine to start. For your Lexus dealer to make you a new key - 1998 Lexus SC 400 | Owners Manual - Page 29
be able to cancel the system or start the engine. For vehicles sold in U.S.A. WIRELESS REMOTE CONTROL FCC ID: MOZ RI-4CTY MADE IN JAPAN This device complies with Part 15 of the FCC Rules. Operation is subject remote control without fail, do it approximately 1 meter (3 feet) from your Lexus. 12 - 1998 Lexus SC 400 | Owners Manual - Page 30
the possibility of theft, or an accident. You can use up to 4 wireless remote control keys for the same vehicle. Contact your Lexus dealer for detailed information. The wireless remote control key is an electronic component. Observe the following instructions in order not to cause damage on the key - 1998 Lexus SC 400 | Owners Manual - Page 31
time, two beeps sound. Together with the activation of unlocking, the interior light comes on for 15 seconds if the interior light "Interior lights" on page 42. You have 30 seconds to open a door after using the wireless sold in U.S.A. This device complies with Part 15 of the FCC Rules. Operation is - 1998 Lexus SC 400 | Owners Manual - Page 32
, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may - 1998 Lexus SC 400 | Owners Manual - Page 33
take out the lid of the module. 1. Remove the screw, and then the cover while pushing it in the arrow direction. 4. Take out the discharged battery and put a new battery with the positive side up. 16 - 1998 Lexus SC 400 | Owners Manual - Page 34
side and negative side of the battery should be faced correctly. D Be careful not to bend the electrode of the battery insertion and that dust or oils do When pushing any switch on the wireless key, make sure the indicator light comes on. Turn the key towards the front of the vehicle to lock - 1998 Lexus SC 400 | Owners Manual - Page 35
lock if the key is left in the ignition switch. CAUTION Before driving, make sure the doors are closed and locked. Along with the proper use of seat belts, locking the doors helps prevent the driver and passengers from being thrown out from the vehicle during an accident. It also helps - 1998 Lexus SC 400 | Owners Manual - Page 36
1- 2 20 21 22 22 23 24 26 27 Headlight switch ...Headlight dimmer and turn signal switch ...Fog light switch ...Windshield wiper and washer switch ...Rear window and outside rear view mirror defogger switch ...Power window switches ...Emergency flasher switch ...Seat heater switches ... 19 - 1998 Lexus SC 400 | Owners Manual - Page 37
SECOND CLICKSTOP: Headlights also turn on. THIRD CLICKSTOP ("AUTO"): The headlights and all other lights automatically turn on depending on the darkness of the surroundings. When the headlights are on, the headlight indicator lights up in the instrument cluster. Manually twist the knob to the second - 1998 Lexus SC 400 | Owners Manual - Page 38
also signal a lane change by moving the turn signal lever partway and holding it there. If the green light in the instrument cluster flashes faster than normal, it indicates that the front or rear turn signal bulb has burned out. If this indicator light does not come on, the fuse or the indicator - 1998 Lexus SC 400 | Owners Manual - Page 39
AND WASHER SWITCH To turn on the fog lights, turn the switch to the "ON" position. The fog lights come on only when the headlights are on and release it. The interval adjuster lets you adjust the wiping time interval between wiper sweeps if the wiper lever is in the "INT" position. Twist the - 1998 Lexus SC 400 | Owners Manual - Page 40
the defroster before using the washer. This will help prevent icing, which could block your vision. REAR WINDOW AND OUTSIDE REAR VIEW MIRROR DEFOGGER the inside of the rear window and the heater panels in the outside rear view mirrors will quickly clear the surface. An indicator light is on when - 1998 Lexus SC 400 | Owners Manual - Page 41
ice, use a spray de-icer before operating the switch. POWER WINDOW SWITCHES NOTICE D When cleaning the inside of the rear window, be careful not to scratch or damage the heater wires. D To prevent the battery from can be operated until any of the doors is opened (or for about 60 seconds). 24 - 1998 Lexus SC 400 | Owners Manual - Page 42
in, only the driver's window can be raised or lowered. The indicator lights on the switch tell you which of the switches can be operated. CAUTION To do the following. D Always make sure the head, hands and other parts of the body of all occupants are kept completely inside the vehicle before you - 1998 Lexus SC 400 | Owners Manual - Page 43
key still inserted. They could use the power window switches and get turn signal lights will flash. The emergency flashers will work with the engine running or road as possible. The turn signal light switch will not work when the emergency flashers are in operation. NOTICE To prevent the battery - 1998 Lexus SC 400 | Owners Manual - Page 44
Use extra caution for; D Baby, small child, elderly person, sick person or handicapped person D Persons who have delicate skin D Persons who are exhausted To prevent the seat overheating, do not use the seat heater with a blanket, cushion seats, do not use organic substances (paint thinner, benzine, alcohol, - 1998 Lexus SC 400 | Owners Manual - Page 45
SWITCHES 28 - 1998 Lexus SC 400 | Owners Manual - Page 46
AND CONTROLS Gauges, meters and service reminder indicators 1- 3 30 30 31 32 32 38 40 Fuel gauge ...Engine coolant temperature gauge ...Tachometer ...Odometer and trip meter ...Service reminder indicators and warning buzzers ...Cruise information display ...Instrument panel light control ... 29 - 1998 Lexus SC 400 | Owners Manual - Page 47
SERVICE REMINDER INDICATORS FUEL GAUGE The indicator lamp goes off after driving several times. If the indicator lamp does not go off, contact your Lexus dealer as soon as possible. See the inner back cover for fuel capacity and recommended fuel selection. ENGINE level warning light may come on - 1998 Lexus SC 400 | Owners Manual - Page 48
"If your vehicle overheats" on page 199. The tachometer indicates engine speed in thousands of rpm (revolutions per minute). Use it while driving to prevent engine overrevving. Driving with the engine running too fast causes excessive engine wear and poor fuel economy. Remember, in most cases the - 1998 Lexus SC 400 | Owners Manual - Page 49
METER SERVICE REMINDER INDICATORS AND WARNING BUZZERS IF THIS INDICATOR OR BUZZER COMES ON ...DO THIS. (a) If parking brake is off, stop and check. Fasten seat belts. (b) This meter displays the odometer and two trip meters. To change the mode indication, push the "ODO/TRIP" button. Each time - 1998 Lexus SC 400 | Owners Manual - Page 50
METERS AND SERVICE REMINDER INDICATORS (f) Add engine oil. (a) Brake System Warning Light This light has the following two functions: Parking brake reminder If this light is on, make sure the parking brake is fully released. The light should go off. Low brake fluid level warning If this light comes - 1998 Lexus SC 400 | Owners Manual - Page 51
there is a problem somewhere in the charging system. The engine ignition will continue to operate, however, until the battery is discharged. Turn off the air conditioning, blower, radio, etc., and drive directly to the nearest Lexus dealer or repair shop. (b) Seat Belt Reminder Light and Buzzer - 1998 Lexus SC 400 | Owners Manual - Page 52
is not tightened securely (SC400 only). (See "Fuel tank cap" on page 54 for instructions.) c. There is a problem somewhere in your engine or automatic transmission electrical system. If it comes on while you are driving in case c., have your vehicle checked/repaired by your Lexus dealer as soon as - 1998 Lexus SC 400 | Owners Manual - Page 53
. If either of the following conditions occurs, this indicates a malfunction somewhere in the parts monitored by the warning light system. Contact your Lexus dealer as soon as possible to service the vehicle. D The light remains on more than 3 seconds after the ignition switch is turned on. D The - 1998 Lexus SC 400 | Owners Manual - Page 54
service reminder indicators (except the low fuel level warning light): 1. Apply the parking brake. 2. Open the door. The following service service reminder indicator or warning buzzer does not function, either the bulb is burned out or circuit is in need of repair. Have it checked by your Lexus - 1998 Lexus SC 400 | Owners Manual - Page 55
GAUGES, METERS AND SERVICE REMINDER INDICATORS CRUISE INFORMATION DISPLAY The following information is shown with the ignition switched "ON". (1) Outside temperature (2) Driving time (3) Average vehicle speed (4) Average fuel consumption (5) Momentary fuel consumption The displayed values in the - 1998 Lexus SC 400 | Owners Manual - Page 56
for calculation is not appropriate. (3) Average vehicle speed (Figures with "AVG MPH") The average vehicle speed is calculated and displayed based on the total driving distance and the total driving time with the engine running. The displayed value is updated every 10 seconds. To calculate from - 1998 Lexus SC 400 | Owners Manual - Page 57
GAUGES, METERS AND SERVICE REMINDER INDICATORS INSTRUMENT PANEL LIGHT CONTROL To adjust the brightness of the instrument panel lights, turn the knob. 40 - 1998 Lexus SC 400 | Owners Manual - Page 58
AND CONTROLS Interior equipment 1- 4 42 42 42 43 44 44 45 46 47 48 49 Vanity mirrors ...Interior light ...Personal lights ...Ignition switch light ...Clock ...Cigarette lighter and ashtray ...Glovebox ...Garage door opener ...Cup holders ...Floor mat ...Luggage stowage precautions ... 41 - 1998 Lexus SC 400 | Owners Manual - Page 59
INTERIOR EQUIPMENT VANITY MIRRORS INTERIOR LIGHT To use the vanity mirrors, swing the sun visor down and open the cover. The vanity light comes on when you open the cover. To turn on the interior light, slide the switch. With the switch in the "DOOR" position, the light comes on when either of - 1998 Lexus SC 400 | Owners Manual - Page 60
again. For easy access to the ignition switch, the ignition switch light comes on when either of the side doors is opened. The light remains on for about 15 seconds and goes out after both side doors are closed. However, the light goes out immediately when both doors are locked or the ignition - 1998 Lexus SC 400 | Owners Manual - Page 61
will change to 10:00. With the tail lights on, the background brightness of the time indication will be reduced. Once the electrical power source has been disconnected from the clock, the time is automatically set to 1:00. To use the cigarette lighter and ashtray, first pull the button. Then when - 1998 Lexus SC 400 | Owners Manual - Page 62
. After using the ashtray, close the lid completely. To remove the ashtray, pull it out while pressing on the snuffer bridge to release the catch. To open the glovebox door, push the lock release button. To lock the glovebox door, insert the master key and turn it clockwise. With the tail lights on - 1998 Lexus SC 400 | Owners Manual - Page 63
new program will be set. If the transmitter has a "rolling code" feature, it is necessary to program the in-garage receiver, after programming the garage door opener in the vehicle. For setting the in-garage receiver, refer to the instruction manual opener. The indicator light comes on. The garage - 1998 Lexus SC 400 | Owners Manual - Page 64
the indicator light flashes. All memorized data will be erased. CUP HOLDERS To use the cup holder: FCC ID: CB2V94800 This device complies with FCC Rules part 15. has been tested and complies with FCC and DOC/MDC rules. Changes or modifications not expressly approved by the partly responsible for - 1998 Lexus SC 400 | Owners Manual - Page 65
about in the compartment and possibly injure people in the vehicle during sudden braking or an accident. DTo reduce the chance of injury in case of an holder shut when not in use. Use a floor mat of the correct size. If the floor mat has a hole, then it is designed for use with a locking clip. Fix - 1998 Lexus SC 400 | Owners Manual - Page 66
filler panel behind the rear seatback. Such items may be thrown about and possibly injure people in the vehicle during sudden braking or an accident. D Do not drive with objects left on top of the instrument panel. vehicle beyond the vehicle capacity weight specified on the tire pressure label. 49 - 1998 Lexus SC 400 | Owners Manual - Page 67
INTERIOR EQUIPMENT 50 - 1998 Lexus SC 400 | Owners Manual - Page 68
SECTION INSTRUMENTS AND CONTROLS Exterior equipment 1- 5 52 53 54 56 Hood ...Trunk lid ...Fuel tank cap ...Moon roof ... 51 - 1998 Lexus SC 400 | Owners Manual - Page 69
EXTERIOR EQUIPMENT HOOD Before closing the hood, check to see that you have not forgotten any tools, rags, etc. Then lower the hood and make sure it locks. CAUTION Before driving, be sure that the hood is closed and securely locked. Otherwise, the hood may open unexpectedly while driving and an - 1998 Lexus SC 400 | Owners Manual - Page 70
opener To unlock the trunk lid, insert the master key and turn it clockwise. To close the it up to make sure it is securely closed. The trunk lid can be unlocked using the wireless remote control key. For details, see page 14. To open the also prevents exhaust gases from entering the vehicle. 53 - 1998 Lexus SC 400 | Owners Manual - Page 71
push in the main switch. 2. To activate the system, insert the master key and turn it counterclockwise. To protect things put in the trunk, door, pull the lever under the instrument panel. When refueling, turn off the engine. CAUTION D Do not smoke, cause sparks or allow open flames when refuelling. - 1998 Lexus SC 400 | Owners Manual - Page 72
. SC400: The indicator lamp goes off after driving several times. If the indicator lamp does not go off, contact your Lexus dealer as soon as possible. Pull the manual lever toward the back. This is used in case the fuel filler door cannot be opened due to a discharged battery or other trouble - 1998 Lexus SC 400 | Owners Manual - Page 73
the rear end of the moon roof, push the switch on the rear side TILT" switch. The sun shade can be opened or closed manually. However, if you open the moon roof, the sun shade until any of the doors is opened (or for about 60 seconds). CAUTION To avoid serious personal injury, you must do the - 1998 Lexus SC 400 | Owners Manual - Page 74
make sure nobody places his/her head, hands and other parts of the body in the roof opening before you close the alone in the vehicle, especially with the ignition key still inserted. They could use the moon roof switches and get trapped in the roof opening. Unattended children can become involved in - 1998 Lexus SC 400 | Owners Manual - Page 75
EXTERIOR EQUIPMENT 58 - 1998 Lexus SC 400 | Owners Manual - Page 76
SECTION INSTRUMENTS AND CONTROLS Comfort adjustment 1- 6 Front seats ...60 Head restraints ...65 Tilt and telescopic steering wheell ...65 Outside rear view mirrors ...68 Inside rear view mirror ...69 Seat belts ...70 SRS airbags ...78 Child restraint ...86 Driving position memory system ...100 - 1998 Lexus SC 400 | Owners Manual - Page 77
Adjust the driver's seat so that the foot pedals, steering wheel and instrument panel controls are within easy reach of the driver. against a passenger, luggage or the rear seat. NOTICE Do not operate the control switch in more than one dimension at a time. It may cause electrical overload. 60 - 1998 Lexus SC 400 | Owners Manual - Page 78
of sliding under the lap belt during a collision, avoid reclining the seatback any more than needed. The seat belts provide maximum protection in a frontal or rear collision when the driver and the passenger are sitting up straight and well back in the seats. If you are reclined, the lap belt may - 1998 Lexus SC 400 | Owners Manual - Page 79
Adjusting seat cushion angle and height Adjusting lumbar support Move the control switch in the desired direction. Releasing the switch will stop the seat cushion in that position. Push the control switch on either side. The amount of lumbar support will change as long as the switch is - 1998 Lexus SC 400 | Owners Manual - Page 80
COMFORT ADJUSTMENT Moving passenger's seat for rear seat entry Before entry, push the seat belt hanger allows passengers to get in or out of the rear seat easily. CAUTION This vehicle is equipped with two seat belts in the rear seat. For the safety of passengers, do not let three people ride in - 1998 Lexus SC 400 | Owners Manual - Page 81
not place anything under the seat. It might interfere with the seat movement. In the following cases, automatic forward or rearward movement will not be performed or will be cancelled partway: 1. The seat position control switch is operated. 2. The seatback is lifted up or inclined while the seat is - 1998 Lexus SC 400 | Owners Manual - Page 82
effective when it is close to your head. Therefore, using a cushion on the seatback is not recommended. To adjust the tilt of the steering wheel, push the control switch upward or downward to set it to the desired position. CAUTION D Adjust the top of the head restraint so that it is closest to - 1998 Lexus SC 400 | Owners Manual - Page 83
the steering column becomes the memorized position. To adjust the steering column length, push the control switch forward or backward to set the steering wheel to the desired position. CAUTION Do not adjust the steering column while the vehicle is moving. When the ignition key is removed with the - 1998 Lexus SC 400 | Owners Manual - Page 84
Manual tilt and telescopic type ADJUSTMENT OF STEERING WHEEL TILT ADJUSTMENT OF TELESCOPIC STEERING COLUMN To change the steering wheel angle, hold the steering wheel, pull up the lock release lever, tilt the steering wheel to the desired angle and release the lever. When the steering wheel wheel - 1998 Lexus SC 400 | Owners Manual - Page 85
when judging the size or distance of any object seen in the outside rear view mirror on rear view mirrors will quickly clear the surface. To adjust the power rear view mirror, first place the master switch at "L" (left) or "R" (right), and move the control switch in the desired side. If the engine - 1998 Lexus SC 400 | Owners Manual - Page 86
should jam the mirror, do not operate the control or scrape the mirror face. Use a spray de-icer to free the mirror. INSIDE REAR VIEW MIRROR Folding rear view mirrors Adjust the mirror so you can just see the rear of your vehicle in the mirror. Pushing the switch changes the mode between "AUTO - 1998 Lexus SC 400 | Owners Manual - Page 87
rear or front seats. An unrestrained child could suffer serious injury during emergency braking or a collision. Pregnant woman. Lexus recommends the use of a seat belt. Ask your doctor for specific , the force of the rapid inflation of the airbag may cause severe injury to the child. CAUTION Persons - 1998 Lexus SC 400 | Owners Manual - Page 88
parts. Damaged parts should be replaced. Do not disassemble or modify the system. D Keep the belts clean and dry. If they need cleaning, use a mild soap solution or lukewarm water. Never use . The seat belt length automatically adjusts to your size and the seat position. The retractor will lock - 1998 Lexus SC 400 | Owners Manual - Page 89
tab and buckle. D If the seat belt does not function normally, immediately contact your Lexus dealer. Do not use the seat until the seat belt is fixed. It cannot protect an adult occupant or your as low on hip as possible. D For your safety, do not place the shoulder belt under your arm. 72 - 1998 Lexus SC 400 | Owners Manual - Page 90
Rear tab locks into the buckle. The seat belt length automatically adjusts to your size. The retractor will lock the belt during a sudden stop or on impact is locked in that position and cannot be extended. This feature is used to hold the child restraint system securely. (For details, see "Child - 1998 Lexus SC 400 | Owners Manual - Page 91
immediately contact your Lexus dealer. Do not use the seat until the seat belt is fixed. It cannot protect an adult occupant or your child from injury. D This vehicle is equipped with two seat belts in the rear seat. For the safety of passengers, do not let three people ride in the rear - 1998 Lexus SC 400 | Owners Manual - Page 92
and selection of length. Additional ordering information is available at your Lexus dealer. To release the belt, press the buckle release button and it retracts. CAUTION When using the seat belt extender, observe the following. Failure to follow these instructions could result in less effectiveness - 1998 Lexus SC 400 | Owners Manual - Page 93
as this may prevent you from properly latching the tab and buckle. D If the seat belt does not function normally, immediately contact your Lexus dealer. Do not use the seat until the seat belt is fixed. It cannot protect an adult occupant or your child from injury. To connect the extender to - 1998 Lexus SC 400 | Owners Manual - Page 94
pretensioners are designed to be activated in response to a severe frontal impact. The airbag system and each pretensioner operates independently because each has its own separate sensor. A could result in personal injury. Failure to follow these instructions can result in severe injuries. 77 - 1998 Lexus SC 400 | Owners Manual - Page 95
perform any of the following changes without consulting your Lexus dealer. Such changes can interfere with proper operation of the seat belt pretensioners in some cases. D Repairs chest directly hitting the steering wheel or dashboard. The passenger airbag is activated even with no passenger in - 1998 Lexus SC 400 | Owners Manual - Page 96
from the steering wheel while still maintaining control of the vehicle. D The front passenger sit as far back as possible from the dashboard. D All vehicle occupants be properly restrained using the available seat belts. The SRS airbag warning light system monitors the airbag sensor assembly - 1998 Lexus SC 400 | Owners Manual - Page 97
minor burns or abrasions and swellings. The SRS airbags are not designed to inflate if the vehicle is subjected to a side or rear impact, if it rolls over, or if it is involved in a low-speed frontal collision. Parts of the airbag module (steering wheel hub, dashboard) may be hot for several minutes - 1998 Lexus SC 400 | Owners Manual - Page 98
can be killed or seriously injured by a deploying airbag. An infant or child who is too small to use a seat belt should be properly secured using a child restraint system. Lexus strongly recommends that all infants and children be placed in the rear seat of the vehicle and properly restrained. The - 1998 Lexus SC 400 | Owners Manual - Page 99
injury to the child. For instructions concerning the installation of a child restraint system, see "Child restraint" on page 86. D Do not sit on the edge of the seat or lean over the dashboard when the vehicle is in use. The airbags inflate with considerable speed and force; you may be killed - 1998 Lexus SC 400 | Owners Manual - Page 100
kneel on the front passenger seat. The airbag inflates with considerable speed and force; the child may be killed or seriously injured. D Do not hold a child on your lap or in your arms. Use a child restraint system in the rear seat. For instructions concerning the installation of a child restraint - 1998 Lexus SC 400 | Owners Manual - Page 101
equipment to the front end. D Repairs made on or near the front fenders, console, steering column, steering wheel or dashboard near the front passenger airbag. This SRS airbag system has a service reminder indicator to inform the driver of operating problems. If either of the following conditions - 1998 Lexus SC 400 | Owners Manual - Page 102
, cracked, or otherwise damaged. NOTICE Do not disconnect the battery cables before contacting your Lexus dealer. In the following cases, contact your Lexus dealer as soon as possible: D The SRS airbags have been inflated. D The front part of the vehicle (shaded in the illustration) was involved - 1998 Lexus SC 400 | Owners Manual - Page 103
of a deploying airbag could cause death or serious injury to the child. Make sure you have complied with all installation instructions provided by the unrestrained. D Lexus strongly urges use of a proper child restraint which conforms to the size of the child and is put on the rear seat. According - 1998 Lexus SC 400 | Owners Manual - Page 104
rear seat. According to accident statistics, the child is safer when properly restrained in the rear seat than in the front seat. When not using of the airbag can cause death or serious injury if a rear-facing child place according to the manufacturer's instructions. If it is not restrained - 1998 Lexus SC 400 | Owners Manual - Page 105
systems are classified into the following 3 types depending on the child's age and size. (A) Infant seat (B) Convertible seat (C) Booster seat Install the child restraint system following the instructions provided by its manufacturer. (A) Infant seat (B) Convertible seat (C) Booster seat 88 - 1998 Lexus SC 400 | Owners Manual - Page 106
3-POINT TYPE SEAT BELT (A) Infant seat installation CAUTION An infant seat is used in rear-facing position only. D Never put a rear-facing child restraint system in the front seat because the force of the rapid inflation of the passenger airbag can cause death or serious injury to the child. 89 - 1998 Lexus SC 400 | Owners Manual - Page 107
system in the rear seat if it interferes with the lock mechanism of the front seats. This may cause serious injury to the child and front passenger in case of sudden braking or a collision. 1. Run the lap and shoulder belt through or around the infant seat following the instructions provided by its - 1998 Lexus SC 400 | Owners Manual - Page 108
retract as far as it will go to hold the infant seat securely. Where to run the seat belt should be also referred to the instructions provided by its manufacturer. 91 - 1998 Lexus SC 400 | Owners Manual - Page 109
COMFORT ADJUSTMENT CAUTION Push and pull the child restraint system in different directions to be sure it is secure. Follow all the installation instructions provided by its manufacturer. 4. To remove the infant seat, press the buckle-release button and allow the belt to retract completely. The - 1998 Lexus SC 400 | Owners Manual - Page 110
COMFORT ADJUSTMENT (B) Convertible seat installation A convertible seat is used in forward-facing and rear-facing positions depending on the age and size of the child. When installing, follow the manufacturer's instructions about the appropriate age and size of the child as well as direction for - 1998 Lexus SC 400 | Owners Manual - Page 111
airbag could cause death or serious injury to the child. D If you must put the convertible rear-facing child restraint system in the rear seat if it interferes with the lock mechanism of the front seats. This may cause serious injury to the child and front passenger in case of sudden braking - 1998 Lexus SC 400 | Owners Manual - Page 112
lap and shoulder belt through or around the convertible seat following the instructions provided by its manufacturer and inserting the tab into does not function normally, immediately contact your Lexus dealer. Do not use the seat until the seat belt is fixed. It cannot protect your child from - 1998 Lexus SC 400 | Owners Manual - Page 113
the seat cushion and seatback, let the shoulder belt retract as far as it will go to hold the convertible seat securely. CAUTION Push and pull the child restraint system in different directions to be sure it is secure. Follow all the installation instructions provided by its manufacturer. 96 - 1998 Lexus SC 400 | Owners Manual - Page 114
(C) Booster seat installation 4. To remove the convertible seat, press the buckle-release button and allow the belt to retract completely. The belt will move freely again and be ready to work for an adult or older child passenger. A booster seat is used in forward-facing position only. 97 - 1998 Lexus SC 400 | Owners Manual - Page 115
when it is unavoidable. Always move the seat as far back as possible, because the force of a deploying airbag could cause death or serious injury to the child. D If you must put the convertible seat on the front seat, make sure the seat belt hanger is secured in raised position. For details - 1998 Lexus SC 400 | Owners Manual - Page 116
. Keep the lap belt positioned as low on hip as possible. D For child's safety, do not place the shoulder belt under child's arm. D After inserting the tab, not function normally, immediately contact your Lexus dealer. Do not use the seat until the seat belt is fixed. It cannot protect your child - 1998 Lexus SC 400 | Owners Manual - Page 117
POSITION MEMORY SYSTEM The micro computer can memorize the position of the driver's seat, the positions of the tilt and telescopic steering, and outside rear view mirrors. Two different driving position profiles can be entered into the computer's memory. This can only be done when the ignition key - 1998 Lexus SC 400 | Owners Manual - Page 118
set a new memorized position, select the desired position and perform step 2. The previous memory will be erased and the new position will then make the desired changes and perform step 2 above. 1. Adjust the driver's seat, tilt and telescopic steering and outside rear view mirrors to the desired - 1998 Lexus SC 400 | Owners Manual - Page 119
Selector lever in "P" position All parts of the memorized positions can be activated. However, if the brake pedal is being depressed, the seat vehicle's battery is disconnected, the computer's memory will be erased and the memorized positions will have to be set again. Automatic transmission: When - 1998 Lexus SC 400 | Owners Manual - Page 120
the vehicle while the adjustments are being made. D Take care not to select the wrong button, or the seat could strike the rear passenger or hit your body against the steering wheel. If this happens, you can stop the movement by pressing another driving position memory switch, or depressing the - 1998 Lexus SC 400 | Owners Manual - Page 121
COMFORT ADJUSTMENT 104 - 1998 Lexus SC 400 | Owners Manual - Page 122
SECTION INSTRUMENTS AND CONTROLS Theft deterrent 1- 7 Theft deterrent system ...106 Theft prevention labels ...108 105 - 1998 Lexus SC 400 | Owners Manual - Page 123
flash twice. Activating the system The alarm sounds for 60 seconds if any of the following are operated: D Unlocking any door or trunk without using an ignition key or wireless remote control. D Opening the hood forcibly. D Reconnecting the battery. If any door is unlocked and the ignition key - 1998 Lexus SC 400 | Owners Manual - Page 124
using an ignition key or wireless remote control. D Turn the ignition switch on. NOTICE Disconnecting the battery may result in the erasure of information you have set in the computer memory. After reconnecting the battery testing the hood, also check that the system is activated when the battery - 1998 Lexus SC 400 | Owners Manual - Page 125
new vehicle carries theft prevention labels which are approximately 56 mm (2.20 in.) by 16 mm (0.63 in.). The purpose of these labels is to reduce the incidence of vehicle thefts by facilitating the tracing and recovery of parts these labels intact from one part to another will be impossible. - 1998 Lexus SC 400 | Owners Manual - Page 126
AIR CONDITIONING AND AUDIO Automatic air conditioning controls ...110 Audio system ...117 109 - 1998 Lexus SC 400 | Owners Manual - Page 127
AIR CONDITIONING AND AUDIO AUTOMATIC AIR CONDITIONING CONTROLS 110 - 1998 Lexus SC 400 | Owners Manual - Page 128
AIR CONDITIONING AND AUDIO 111 - 1998 Lexus SC 400 | Owners Manual - Page 129
speed and air flow to control the temperature. The ignition key must be in the "ON" position. You may use manual level for both front and rear. FLOOR/WINDSHIELD mode - Directs air flow to air conditioning, and switching of the air intake between RECIRCULATED AIR and OUTSIDE AIR are automatically - 1998 Lexus SC 400 | Owners Manual - Page 130
cooling is desired - Obtain maximum power by turning the "TEMP" knob fully. At this time, "MAX. HOT" or "MAX. COLD" will appear on the display. If manual fan speed control is desired - The fan speed can be set to your desired speed by pushing either side (FAN) button. The higher the fan of the fan - 1998 Lexus SC 400 | Owners Manual - Page 131
light will come on. For normal use, it is best to keep the air intake control button set to OUTSIDE AIR mode. If recirculated air is used during heating, the windows will fog up more easily. If manual checked by your nearest Lexus dealer. (b) Windshield defogging speed control to set the fan - 1998 Lexus SC 400 | Owners Manual - Page 132
after closing the windows, it is recommended that the air intake control button be left to the OUTSIDE AIR mode and the fan speed control button be pressed to anywhere except the "OFF" button. D If following another vehicle on a dusty road, or driving in windy and dusty conditions, it is recommended - 1998 Lexus SC 400 | Owners Manual - Page 133
AIR CONDITIONING AND AUDIO The side vents may be opened or closed as shown. Lower vent The lower vent may be opened or closed as shown. 116 - 1998 Lexus SC 400 | Owners Manual - Page 134
tips NOTICE To prevent the battery from being discharged, do not leave the car audio on longer than necessary when the engine is not running. To ensure audio when the ignition key is at "ON" or "ACC". However, if the engine is not running, the key must be in the "ACC" position. Audio operation is - 1998 Lexus SC 400 | Owners Manual - Page 135
AIR CONDITIONING AND AUDIO Without compact disc player 118 - 1998 Lexus SC 400 | Owners Manual - Page 136
Radio operation With compact disc player AIR CONDITIONING AND AUDIO 119 - 1998 Lexus SC 400 | Owners Manual - Page 137
when an FM stereo broadcast is being received. At the same time "ST" will appear on the display. When the receiving signal gets number will appear on the display. (See "(c) Presetting a station".) Seek tuning: Use for automatic station search and stop. Push the (SEEK) button and hold it until - 1998 Lexus SC 400 | Owners Manual - Page 138
Use again. push the Manual tuning: Push the (TUNE) button briefly. Each time you push the button when the power source is cut off (battery disconnected, blown fuse, etc.). (d) Adjusting speakers, push the "BAL" knob (if depressed) and turn it. To balance the sound between the front and rear speakers - 1998 Lexus SC 400 | Owners Manual - Page 139
they do not indicate any problem with the radio itself. D Fading and drifting: FM range is limited to about 40 km (25 miles), except for some high , a fluttering noise is sometimes heard when driving along a tree-lined road. This static and fluttering can be reduced by adjusting the tone control - 1998 Lexus SC 400 | Owners Manual - Page 140
Radio operation Cassette tape player operation Without compact disc player AIR CONDITIONING AND AUDIO 123 - 1998 Lexus SC 400 | Owners Manual - Page 141
AIR CONDITIONING AND AUDIO With compact disc player 124 - 1998 Lexus SC 400 | Owners Manual - Page 142
the tape side to the right and lightly push it in. The tape player will cassette is already in the slot, push the At this time, "TAPE" will appear on the display. The tape player For best sound reproduction, select the same NR mode that was used to record the tape. To play a tape recorded without - 1998 Lexus SC 400 | Owners Manual - Page 143
side to rewind the tape. At this time, "FF"or "REW" will appear on the display. To stop either fast forwarding or rewinding, push the button on the same side again or push the (TAPE) button. The tape will then resume playing. Automatic program selection: Use for quick access to a desired program - 1998 Lexus SC 400 | Owners Manual - Page 144
. Avoid using tapes with a total playing time longer than 90 minutes. Using damaged tapes careful not to touch the tape surface. When not in use, take the cassette out of the player, put it back cassette player clean. Once or twice a month, use a wet type cleaning cassette to clean off tape coating - 1998 Lexus SC 400 | Owners Manual - Page 145
AIR CONDITIONING AND AUDIO Compact disc player operation 128 - 1998 Lexus SC 400 | Owners Manual - Page 146
Radio operation The compact disc player of this system is provided with an automatic changer which can play selected discs or 12 discs continuously. The player is mounted in the trunk, on the right and is operated from the driver's seat. (a) Inserting compact discs AIR CONDITIONING AND AUDIO 1. - 1998 Lexus SC 400 | Owners Manual - Page 147
AIR CONDITIONING AND AUDIO 3. Insert a disc into the magazine with its label face up. This magazine can store twelve 12 cm (4.7 in.) discs. If the label faces down, the disc cannot be played. In this case, "Err" and the disc number appear on the display. 130 - 1998 Lexus SC 400 | Owners Manual - Page 148
Radio operation AIR CONDITIONING AND AUDIO To eject a disc from the magazine, pull the lever. 4. Put a magazine in the automatic changer with the respective matchmarks facing each other and close the cover. 131 - 1998 Lexus SC 400 | Owners Manual - Page 149
appears on the display. The discs set in the magazine are played continuously, starting with the disc on top. The disc number of the disc currently being played, the track number and the time from the beginning of the program will appear on the display. When play of one disc ends, the - 1998 Lexus SC 400 | Owners Manual - Page 150
will start playing the selected program from the beginning. Manual program selection: (FAST) button and hold it to fast forward Push either of the or reverse the disc. Releasing the button starts the play from that position. Disc scan selection: Use for disc-to-disc scanning. (SCAN) button. With - 1998 Lexus SC 400 | Owners Manual - Page 151
on the display, audio signals of the disc cannot (CD) button once be read or the system has trouble. Push the again. If the player does not operate, check that the disc surface is not soiled or player still does not operate, take it to your Lexus dealer. Compact disc player operating tips 134 - 1998 Lexus SC 400 | Owners Manual - Page 152
use with 12 cm (4.7 in.) discs only. Never attempt to disassemble or oil any part of the player unit. Do not insert any object other than a disc into the magazine. There are no user-serviceable parts inside the compact disc player. A new of the disc and cause sound skipping or other problems. 135 - 1998 Lexus SC 400 | Owners Manual - Page 153
disc to bear any fingerprints, stickers or pen marks on the surfaces. Hold the disc only on the edge or center hole. When not in use, take the disc out of the player, put it back into its case and store it away from dust, heat, damp and direct sunlight. Leaving - 1998 Lexus SC 400 | Owners Manual - Page 154
. Do not use a conventional record cleaner or anti-static record preservative. AIR CONDITIONING AND AUDIO CAUTION Compact disc players use invisible laser beams which could cause hazardous radiation exposure if directed outside the unit. Be sure to operate the player correctly as instructed. 137 - 1998 Lexus SC 400 | Owners Manual - Page 155
173 175 178 179 Three-way catalytic converter ...Engine exhaust caution ...Before starting the engine ...Ignition switch with steering lock ...Parking brake ...How to start the engine ...Automatic transmission (SC400) ...Automatic transmission (SC300) ...Electronic throttle control system Cruise - 1998 Lexus SC 400 | Owners Manual - Page 156
. The three-way catalytic converter located at the confluence of exhaust pipes looks somewhat like a muffler, but its purpose is to reduce pollutants in the exhaust gas. CAUTION D Keep people and combustible materials away from the exhaust pipe while the engine is running. The exhaust gas is very - 1998 Lexus SC 400 | Owners Manual - Page 157
catalytic converter and the entire emission control system operate properly, your vehicle must receive the periodic inspections required by the Lexus Maintenance Schedule. For scheduled maintenance information, refer to the separate "Owner's Manual Supplement/ Maintenance Schedule". ENGINE EXHAUST - 1998 Lexus SC 400 | Owners Manual - Page 158
holes or loose connections. The system should be checked from time to time. If you hit something, or notice a change in the sound of the exhaust, have the system checked immediately. D Do not run the engine in a garage or enclosed area except for the time needed to drive the vehicle in or out. The - 1998 Lexus SC 400 | Owners Manual - Page 159
STARTING THE ENGINE 1. Check the area around the vehicle before entering it. 2. Adjust seat position, seatback angle, head restraint height and steering wheel angle. 3. Adjust inside and outside rear view mirrors. 4. Lock all doors. 5. Fasten seat belts. Remember to check that the service reminder - 1998 Lexus SC 400 | Owners Manual - Page 160
and open the driver's door, a buzzer will remind you to remove the key. NOTICE Do not leave the key in the "ON" position if the engine is not running. The battery will discharge and the electronic ignition system could be damaged. 143 - 1998 Lexus SC 400 | Owners Manual - Page 161
AND DRIVING "LOCK" - Engine is off and the steering wheel is locked. The ignition key can be removed only at this position. To turn the key from "ACC" to the "LOCK" position, you must put the transmission selector lever in the "P" position. Once you remove the key, the engine immobiliser system is - 1998 Lexus SC 400 | Owners Manual - Page 162
the lever. To release: Pull up the lever slightly, press the thumb button, then lower the lever. Before leaving your vehicle, firmly apply the parking brake. CAUTION Before driving, make sure the parking brake is fully released and that the parking brake reminder light is off. 145 - 1998 Lexus SC 400 | Owners Manual - Page 163
DRIVING HOW TO START THE ENGINE Before cranking 1. Apply the parking brake firmly. 2. Turn off unnecessary lights and accessories. 3. Put the selector lever in "P". If you need to restart the engine while the vehicle is moving, put the selector lever in "N". A starter safety device will prevent the - 1998 Lexus SC 400 | Owners Manual - Page 164
control is being used, even if you downshift from "D" to "4", engine braking will not be applied because the cruise control is not cancelled. For the operation to decrease the vehicle speed, see page 172. 3, 2: Position for more powerful engine braking L: Position for maximum engine braking 147 - 1998 Lexus SC 400 | Owners Manual - Page 165
the following parts. (a) Normal driving (b) Using engine braking (c) Using the "3", "2" and "L" positions (d) Backing up (e) Parking (f) Good driving practice (g) Rocking your vehicle if stuck (h) If you cannot shift the selector lever (a) Normal driving 1. Start the engine as instructed in "How - 1998 Lexus SC 400 | Owners Manual - Page 166
, Lexus recommends that you use the "Normal" position to improve fuel economy. 3. For more powerful acceleration and sporty driving, use the "Power" position. In the "Power" position, the "ECT PWR" light in the instrument cluster is on and the transmission is shifted up at higher vehicle speeds and - 1998 Lexus SC 400 | Owners Manual - Page 167
position, shifting into the overdrive gear is possible. However, while the engine coolant temperature is low, the transmission will not shift into the overdrive gear even in the "D" position. (See "(b) Using engine braking" and "(f) Good driving practice" for exceptions.) CAUTION Never put your - 1998 Lexus SC 400 | Owners Manual - Page 168
the full throttle position. This provides more acceleration by automatically downshifting the transmission to the next lower gear or beyond, depending on the vehicle speed. If engine braking is needed, such as in descending a long hill, see "(b) Using engine braking". (b) Using engine braking 151 - 1998 Lexus SC 400 | Owners Manual - Page 169
is being used, even if you downshift from "D" to "4", engine braking will not be applied because the cruise control is not cancelled. If you need to decrease the vehicle speed, see page 172. 2 Shift into the "3" position. The transmission will downshift to the third gear when the vehicle speed is or - 1998 Lexus SC 400 | Owners Manual - Page 170
are used for strong engine braking as described previously. With the selector lever in "3", "2" or "L", you can start the vehicle in motion as with the lever in "D". With the selector lever in "3" or "2", the vehicle will start in the first gear and automatically shift to the third or second - 1998 Lexus SC 400 | Owners Manual - Page 171
STARTING AND DRIVING 1. Bring the vehicle to a complete stop. 2. With the brake pedal held down with your foot, shift the selector lever to the "R" position. NOTICE Never shift into reverse while the vehicle is moving. 154 - 1998 Lexus SC 400 | Owners Manual - Page 172
STARTING AND DRIVING (e) Parking 1. Bring the vehicle to a complete stop. 2. Pull the parking brake lever up fully to securely apply the parking brake. 3. With the brake pedal held down with your foot, shift the selector lever to the "P" position. CAUTION While the vehicle is moving, never - 1998 Lexus SC 400 | Owners Manual - Page 173
. Be sure to shift the selector lever to the "D" position after climbing the slope. D When towing a trailer, in order to maintain efficient engine braking and electrical charging performance, do not use overdrive. The selector lever must be in the "4" position. CAUTION Always keep your foot on the - 1998 Lexus SC 400 | Owners Manual - Page 174
vehicle several times, consider other ways such as towing. (h) If you cannot shift the selector lever If you cannot shift the selector lever even though the brake pedal is depressed, use the shift lock override button. For instructions, see "If you cannot shift automatic transmission selector lever - 1998 Lexus SC 400 | Owners Manual - Page 175
cruise control is being used, even if you downshift from "D" to "3", engine braking will not be applied because the cruise control is not cancelled. For the operation to decrease the vehicle speed, see page 172. 2: Position for more powerful engine braking L: Position for maximum engine braking 158 - 1998 Lexus SC 400 | Owners Manual - Page 176
in the following parts. (a) Normal driving (b) Using engine braking (c) Using the "2" and "L" positions (d) Backing up (e) Parking (f) Good driving practice (g) Rocking your vehicle if stuck (h) If you cannot shift the selector lever (a) Normal driving 1. Start the engine as instructed in "How to - 1998 Lexus SC 400 | Owners Manual - Page 177
, Lexus recommends that you use the "Normal" position to improve fuel economy. 3. For more powerful acceleration and sporty driving, use the "Power" position. In the "Power" position, the "ECT PWR" light in the instrument cluster is on and the transmission is shifted up at higher vehicle speeds and - 1998 Lexus SC 400 | Owners Manual - Page 178
position, shifting into the overdrive gear is possible. However, while the engine coolant temperature is low, the transmission will not shift into the overdrive gear even in the "D" position. (See "(b) Using engine braking" and "(f) Good driving practice" for exceptions.) CAUTION Never put your - 1998 Lexus SC 400 | Owners Manual - Page 179
the full throttle position. This provides more acceleration by automatically downshifting the transmission to the next lower gear or beyond, depending on the vehicle speed. If engine braking is needed, such as in descending a long hill, see "(b) Using engine braking". (b) Using engine braking 162 - 1998 Lexus SC 400 | Owners Manual - Page 180
in the way described below: 1 Shift into the "3" position. The transmission will downshift to the third gear and engine braking will be obtained. When the cruise control is being used, even if you downshift from "D" to "3", engine braking will not be applied because the cruise control is not - 1998 Lexus SC 400 | Owners Manual - Page 181
STARTING AND DRIVING (d) Backing up 1. Bring the vehicle to a complete stop. 2. With the brake pedal held down with your foot, shift the selector lever to the "R" position. (e) Parking NOTICE Never shift into reverse while the vehicle is moving. 164 - 1998 Lexus SC 400 | Owners Manual - Page 182
STARTING AND DRIVING 1. Bring the vehicle to a complete stop. 2. Pull the parking brake lever up fully to securely apply the parking brake. 3. With the brake pedal held down with your foot, shift the selector lever to the "P" position. CAUTION While the vehicle is moving, never attempt to move the - 1998 Lexus SC 400 | Owners Manual - Page 183
. Be sure to shift the selector lever to the "D" position after climbing the slope. D When towing a trailer, in order to maintain efficient engine braking and electrical charging performance, do not use overdrive. The selector lever must be in the "3" position. CAUTION Always keep your foot on the - 1998 Lexus SC 400 | Owners Manual - Page 184
vehicle several times, consider other ways such as towing. (h) If you cannot shift the selector lever If you cannot shift the selector lever even though the brake pedal is depressed, use the shift lock override button. For instructions, see "If you cannot shift automatic transmission selector lever - 1998 Lexus SC 400 | Owners Manual - Page 185
ordinary driving, Lexus recommends that you use the normal mode to improve fuel economy. Power mode: For more powerful acceleration and sporty driving. In the power mode, the "ECT PWR" light in the instrument cluster is on and the transmission is shifted up at higher vehicle speeds and shifted down - 1998 Lexus SC 400 | Owners Manual - Page 186
, or on slippery (rainy, icy or snow-covered) or winding roads. D Avoid vehicle speed increases when driving downhill. If the vehicle speed is too fast in relation to the cruise control set speed, cancel the cruise control then downshift the transmission to use engine braking to slow down. 169 - 1998 Lexus SC 400 | Owners Manual - Page 187
system on. The indicator light in the instrument cluster shows that you can now set your desired cruising speed. Another push on the switch will turn the system completely off. When the ignition key is turned off, the main switch is also automatically turned off. To use - 1998 Lexus SC 400 | Owners Manual - Page 188
STARTING AND DRIVING Setting at a desired speed On vehicles with automatic transmission, the transmission must be in "D" before you set the cruise control speed. Bring the vehicle to the desired speed, press the control lever downward in the "SET/COAST" direction and release it. This sets the - 1998 Lexus SC 400 | Owners Manual - Page 189
the transmission from "D" to "4" (SC400) or from "D" to "3" (SC300) with the cruise control on, engine braking will not be applied because the cruise control is not cancelled. To decrease the vehicle speed, reset to a slower speed with the cruise control lever or depress the brake pedal. If you use - 1998 Lexus SC 400 | Owners Manual - Page 190
SYSTEM The traction control system automatically helps control the spinning of the rear wheels which may occur when accelerating on slippery road surfaces, thus assisting driver to control the driving power of the rear wheels. When you turn the ignition switch on, this system always turns on - 1998 Lexus SC 400 | Owners Manual - Page 191
If the "TRAC OFF" indicator/warning light flashes, contact your Lexus dealer as soon as possible. There may be trouble in the traction control system. CAUTION Under certain slippery road conditions, full traction of the vehicle and power to the rear wheels cannot be maintained, even though the - 1998 Lexus SC 400 | Owners Manual - Page 192
SYSTEM The tandem master cylinder brake system is a hydraulic system with two separate sub-systems. If either sub-system should fail, the other will still work. However, the pedal will be harder to press, and your stopping distance will be longer. Also, the brake system warning light may come on - 1998 Lexus SC 400 | Owners Manual - Page 193
lock-up of the wheels during a sudden brake or braking on slippery road surfaces. This assists in providing directional stability and steering performance of the vehicle under these circumstances. The anti-lock brake system becomes operative after the vehicle has accelerated to a speed in excess of - 1998 Lexus SC 400 | Owners Manual - Page 194
still operate conventionally. But when the "ABS" warning light is on (and the brake system warning light is off), anti-lock brake system is not assisting brake performance so that the wheels could lock up during a sudden brake or braking on slippery road surfaces. Have your vehicle checked by your - 1998 Lexus SC 400 | Owners Manual - Page 195
pad wear limit indicators on your disc brakes give a warning noise when the brake pads are worn to the extent that replacement is required. If you hear a squealing or scraping noise while driving, have the brake pads checked and replaced by your Lexus dealer as soon as possible. Expensive rotor - 1998 Lexus SC 400 | Owners Manual - Page 196
high-speed capability tires best suited to highway driving under dry conditions. Since summer tires do not have the same traction performance as snow tires, summer tires are inadequate for driving on snow-covered or icy roads. For driving on snow-covered or icy roads, we recommend using snow tires - 1998 Lexus SC 400 | Owners Manual - Page 197
CAUTION D Do not mix summer and all season tires on your vehicle as this can cause dangerous handling characteristics, resulting in loss of control. D Do not use tires other than the manufacturer's designated tires, and never mix tires or wheels of the sizes different from the originals. 180 - 1998 Lexus SC 400 | Owners Manual - Page 198
STARTING AND DRIVING 181 - 1998 Lexus SC 400 | Owners Manual - Page 199
SECTION STARTING AND DRIVING Driving tips 3- 2 Break-in period ...183 Operation in foreign countries ...183 Tips for driving in various conditionss ...183 Winter driving tips ...184 Trailer towing ...185 How to save fuel and make your vehicle last longer ...194 182 - 1998 Lexus SC 400 | Owners Manual - Page 200
need not follow a break-in schedule with your new Lexus. But following a few simple tips for the first 1600 km (1000 miles) can add to the future economy and long life of your vehicle: D Do not drive over 88 km/h (55 mph). D Avoid overrevving. Maintain engine speed between 2000 and 4000 rpm. D Avoid - 1998 Lexus SC 400 | Owners Manual - Page 201
the capacity of any battery, so it must be in top shape to provide enough power for winter starting. Page 287 tells you how to visually inspect the battery. Your Lexus dealer and most service stations will be pleased to check the battery charge level. Make sure the engine oil viscosity is suitable - 1998 Lexus SC 400 | Owners Manual - Page 202
towing. NOTICE Do not use engine antifreeze or any other substitute because it may damage your vehicle's paint. Do not use your parking brake when there is a possibility it could freeze. When parking, put the transmission into "P" and block the front wheels. Do not use the parking brake, or snow or - 1998 Lexus SC 400 | Owners Manual - Page 203
DRIVING TIPS Weight limits Before towing, make sure the total trailer weight, gross vehicle weight, gross axle weight and trailer tongue load are all within the limits. The total trailer weight and tongue load can be measured with platform scales found at a highway weighing station, building supply - 1998 Lexus SC 400 | Owners Manual - Page 204
is dangerous. D The gross vehicle weight must not exceed the Gross Vehicle Weight Rating (GVWR) indicated on the Certification Label. The gross vehicle weight is the sum . D The load on either the front or rear axle resulting from distribution of the gross vehicle weight on both axles must not - 1998 Lexus SC 400 | Owners Manual - Page 205
more weight in the back than in the front. About 60 % of the trailer load should be in the front half of the trailer and the remaining 40 % in the rear. Hitches D If you wish to install a trailer hitch, your Lexus dealer should be consulted. D Use only a hitch which is recommended by the hitch - 1998 Lexus SC 400 | Owners Manual - Page 206
are required. D Never tap into your vehicle's hydraulic system as it will lower its braking effectiveness. D Never tow a trailer without using a safety chain securely attached to both the trailer and the vehicle. If damage occurs to the coupling unit or hitch ball, there is possible danger of - 1998 Lexus SC 400 | Owners Manual - Page 207
time you hitch up. Direct splicing may damage your vehicle's electrical system and cause a malfunction of your lights. Break-in schedule D Lexus recommends that you do not tow a trailer with a new vehicle or a vehicle with any new power train component (engine, transmission, differential, wheel - 1998 Lexus SC 400 | Owners Manual - Page 208
, do not forget the length of your trailer and be sure you have plenty of room before changing lanes. D In order to maintain efficient engine braking and electrical charging performance, do not use overdrive. Transmission must be in the "4" position (SC400) or in the "3" position (SC300). 191 - 1998 Lexus SC 400 | Owners Manual - Page 209
conditioning (if in use), pull your vehicle off the road and stop in a safe spot. See "If your vehicle overheats" on page 202 of this manual. D Always place wheel blocks under both the vehicle and trailer wheels when parking. Apply the parking brake firmly. Put the transmission in "P". Avoid parking - 1998 Lexus SC 400 | Owners Manual - Page 210
towing vehicle-trailer combination usually increases as the speed increases, exceeding 72 km/h (45 mph) may cause loss of control. D Slow down and downshift before descending steep or long downhill grades. Do not make sudden downshifts. D Avoid holding the brake pedal down too long or too frequently - 1998 Lexus SC 400 | Owners Manual - Page 211
up and in top shape. A dirty air cleaner, improper valve clearance, dirty plugs, dirty oil and grease, brakes not adjusted, etc. all lower engine performance and contribute to poor fuel economy. For longer life of all parts and lower operating costs, keep all maintenance work on schedule, and if you - 1998 Lexus SC 400 | Owners Manual - Page 212
DRIVING TIPS CAUTION Never turn off the engine to coast down hills. Your power steering and brake booster will not function without the engine running. Also, the emission control system operates properly only when the engine is running. 195 - 1998 Lexus SC 400 | Owners Manual - Page 213
DRIVING TIPS 196 - 1998 Lexus SC 400 | Owners Manual - Page 214
IN CASE OF AN EMERGENCY 4 If your engine stalls while driving ...198 If your vehicle will not start ...198 If your vehicle overheats ...202 If you have a flat tire ...204 If your vehicle needs to be towed ...217 If you cannot shift automatic transmission selector lever ...225 If you lose your - 1998 Lexus SC 400 | Owners Manual - Page 215
speed gradually, keeping a straight line. Move cautiously off the road to a safe place. 2. Turn on your emergency flashers. 3. Try starting the engine again. If the engine will not start, see "If your vehicle will not start". CAUTION If the engine is not running, the power assist for the brakes - 1998 Lexus SC 400 | Owners Manual - Page 216
when the starter is cranked, the battery is discharged. You may try jump starting. See "(c) Jump starting" for further instruction. If the light is O.K., but the engine still will not start, it needs adjustment or repair. Call a Lexus dealer, Roadside Assistance or Customer Service Assistance. (See - 1998 Lexus SC 400 | Owners Manual - Page 217
EMERGENCY CAUTION D Batteries contain sulfuric acid which is poisonous and corrosive. Wear protective safety glasses when jump battery will explode if a flame or spark is brought near. Use only standardized jumper cables and do not smoke or light a match while jump starting. NOTICE The battery used - 1998 Lexus SC 400 | Owners Manual - Page 218
IN CASE OF AN EMERGENCY JUMP STARTING PROCEDURE 1. If the booster battery is installed in another vehicle, make sure the vehicles are not touching. Turn off all unnecessary lights and accessories. 201 - 1998 Lexus SC 400 | Owners Manual - Page 219
the negative cable to the booster battery and then to a solid, stationary, unpainted metallic point (e.g. SC400: brake booster vacuum pipe bracket, SC300: cylinder head) away from the battery. Do not connect it to or near any part that moves when the engine is cranked. CAUTION When making the - 1998 Lexus SC 400 | Owners Manual - Page 220
IN CASE OF AN EMERGENCY When the engine overheats Pull safely off the road, stop the vehicle and turn on your emergency flashers. Put the transmission in "P" and apply the parking brake. A: If steam is coming from your engine: Turn off the engine. Leave the hood closed until there is no sign of - 1998 Lexus SC 400 | Owners Manual - Page 221
of personal injury: D Follow jacking instructions. 204 D Do not start or run the engine while your vehicle is supported by the jack. D Stop the vehicle on a level firm ground, firmly set the parking brake and put the transmission in "P". Block the wheel diagonally opposite to the one being changed - 1998 Lexus SC 400 | Owners Manual - Page 222
get under the vehicle when the vehicle is supported by the jack alone. D Use the jack only for lifting your vehicle during wheel changing. D Do not raise the vehicle the tire. NOTICE Do not continue driving with a deflated tire. Driving even a short distance can damage a tire beyond repair. 205 - 1998 Lexus SC 400 | Owners Manual - Page 223
IN CASE OF AN EMERGENCY Changing procedure 1. Get the tool, jack and spare tire. To prepare yourself for an emergency, you should familiarize yourself with the use of the jack and each tool, and their storage locations. 206 - 1998 Lexus SC 400 | Owners Manual - Page 224
IN CASE OF AN EMERGENCY When removing the jack, turn the joint by hand in the CONTRACT direction until the jack is free. When storing, turn the joint by hand in the EXPAND direction until the jack is firmly secured to prevent it from flying forward during a collision or sudden braking. 207 - 1998 Lexus SC 400 | Owners Manual - Page 225
IN CASE OF AN EMERGENCY Loosen the bolt and remove it. When storing the spare tire, place it with the outer side of the wheel facing up. Then bolt the tire in place to prevent the tire from flying forward during a collision or sudden braking. 208 - 1998 Lexus SC 400 | Owners Manual - Page 226
IN CASE OF AN EMERGENCY 2. Block the wheel diagonally opposite the flat tire to keep the vehicle from rolling when it is jacked up. When blocking the wheel, place a wheel block in front of the front wheels or behind the rear wheels. 209 - 1998 Lexus SC 400 | Owners Manual - Page 227
IN CASE OF AN EMERGENCY 3. Loosen all the wheel nuts. Always loosen the wheel nuts before raising the vehicle. Turn the nuts counterclockwise to loosen them. To get maximum leverage, fit the wrench to the nut so that the - 1998 Lexus SC 400 | Owners Manual - Page 228
be installed. Allow for the fact that you need more ground clearance when putting on the spare tire than when removing the flat tire. To raise the vehicle, insert the jack handle into the jack (it is a loose fit) and turn it clockwise. As the jack touches the vehicle - 1998 Lexus SC 400 | Owners Manual - Page 229
IN CASE OF AN EMERGENCY CAUTION Never get under the vehicle when the vehicle is supported by the jack alone. 6. Remove the wheel nuts and remove the flat tire. Lift the flat tire straight off and put it aside. 212 - 1998 Lexus SC 400 | Owners Manual - Page 230
CASE OF AN EMERGENCY Before putting on the wheel, remove any corrosion on the mounting surfaces with a wire brush or such. Installation of wheels without good metal-to-metal contact at the mounting surface can cause wheel nuts to loosen and eventually cause a wheel to come off while driving. 213 - 1998 Lexus SC 400 | Owners Manual - Page 231
OF AN EMERGENCY 7. Reinstall all the wheel nuts finger tight. Align the holes in the wheel with the bolts. Then lift up the wheel and get at least the top bolt started through its hole. Wiggle the tire and press it back over the other bolts. Reinstall the wheel nuts and tighten them as much as - 1998 Lexus SC 400 | Owners Manual - Page 232
to lower the vehicle. Use only the wheel nut wrench to tighten the nuts. Do not use other tools or any additional leverage other than your hands, such as a hammer, pipe or your foot. Make sure the wrench is securely engaged over the nut. Tighten each nut a little at a time in the order shown - 1998 Lexus SC 400 | Owners Manual - Page 233
IN CASE OF AN EMERGENCY 9. After changing the wheel, check the air pressure of the replaced tire. Stow all the tools, jack and flat tire securely. If the pressure of the replaced tire is low, drive slowly to the nearest service station and fill to the correct pressure. Do not forget to reinstall the - 1998 Lexus SC 400 | Owners Manual - Page 234
or (b). (a) (c) Towing with a wheel lift type truck Never tow with a sling type truck (b) Using a flat bed truck Only when you cannot receive a towing service from a Lexus dealer or commercial tow truck service, tow your vehicle carefully in accordance with the instructions given in "(d) Emergency - 1998 Lexus SC 400 | Owners Manual - Page 235
IN CASE OF AN EMERGENCY (a) Towing with a wheel lift type truck D From front Use a towing dolly under the rear wheels. D From rear NOTICE Never tow a vehicle with an automatic transmission from the front with rear wheels on the ground, as this may cause serious damage to the transmission. 218 - 1998 Lexus SC 400 | Owners Manual - Page 236
the ignition key in the "ACC" position. (b) Using a flat bed truck NOTICE D Do not tow with the key removed or in the "LOCK" position, as the steering lock mechanism is not strong enough to hold the front wheels straight. D When lifting wheels, take care to ensure adequate ground clearance for - 1998 Lexus SC 400 | Owners Manual - Page 237
IN CASE OF AN EMERGENCY D Tie down points 220 - 1998 Lexus SC 400 | Owners Manual - Page 238
IN CASE OF AN EMERGENCY If your Lexus is transported by a flat bed, it should be tied down at locations A and B as shown above. NOTICE Do not use the rear emergency towing eyelets. D Tie down angle If you use chains or wires to tie down your vehicle, the angle must be as shown above. 221 - 1998 Lexus SC 400 | Owners Manual - Page 239
IN CASE OF AN EMERGENCY (c) Towing with a sling type truck NOTICE Do not tow with a sling type truck, either from the front or rear. This may cause body damage. (d) Emergency towing 222 - 1998 Lexus SC 400 | Owners Manual - Page 240
to the emergency towing eyelet. Use extreme caution when towing the vehicle. A driver must be in the vehicle to steer it and operate the brakes. Towing in this manner may be done only on hard-surfaced roads for a short distance and at low speeds. Also, the wheels, axles, drive train, steering and - 1998 Lexus SC 400 | Owners Manual - Page 241
only a cable or chain specifically intended for use in towing vehicles. Securely fasten the cable or chain to the towing eyelet provided. Before towing, release the parking brake and put the transmission in "N". The ignition key must be in "ACC" (engine off) or "ON" (engine running). CAUTION If the - 1998 Lexus SC 400 | Owners Manual - Page 242
IN CASE OF AN EMERGENCY IF YOU CANNOT SHIFT AUTOMATIC TRANSMISSION SELECTOR LEVER If you cannot shift the selector lever out of "P" position to other positions even though the brake pedal is depressed, use the shift lock override button as follows: 1. Turn the ignition key to "LOCK". Make sure the - 1998 Lexus SC 400 | Owners Manual - Page 243
into "N" position. 5. Insert the cover. 6. Start the engine. For your safety, keep the brake pedal depressed. Be sure to have the system checked by your Lexus dealer as soon as possible. IF YOU LOSE YOUR KEYS OR LOCK YOURSELF OUT Many Lexus dealers can make a new key if you can give them the key - 1998 Lexus SC 400 | Owners Manual - Page 244
IN CASE OF AN EMERGENCY 227 - 1998 Lexus SC 400 | Owners Manual - Page 245
SECTION MAINTENANCE 5 Maintenance requirements ...229 General maintenance ...231 Does your vehicle need repairing? ...234 For scheduled maintenance information, please refer to the separate "Owner's Manual Supplement/ Maintenance Schedule". 228 - 1998 Lexus SC 400 | Owners Manual - Page 246
services, is performed. Note that both the new vehicle and emission control system warranties specify that proper maintenance and care must be performed. See the Owner's Guide, Owner's Manual Supplement or Warranty Booklet for complete warranty information. For details of your maintenance schedule - 1998 Lexus SC 400 | Owners Manual - Page 247
. Simple instructions for how to perform them are presented in Section 6. If you are a skilled do-it-yourself mechanic, the Lexus service manuals are recommended. Please be aware that do-it-yourself maintenance can affect your warranty coverage. See your Owner's Guide, Owner's Manual Supplement or - 1998 Lexus SC 400 | Owners Manual - Page 248
attention of your Lexus dealer or qualified service shop for their advice. CAUTION Make these checks only where adequate ventilation can be obtained if you run the engine. Vehicle exterior Items listed below should be performed from time to time, unless otherwise specified. Tire pressure Check the - 1998 Lexus SC 400 | Owners Manual - Page 249
MAINTENANCE Vehicle interior Items listed below should be checked regularly, e.g. while performing periodic services, cleaning the vehicle, etc. Lights Make sure the headlight, stop lights, tail lights, turn signal lights, and other lights are working. Check headlight aim. Service reminder - 1998 Lexus SC 400 | Owners Manual - Page 250
on the see-through reservoir when the engine is cold. See page 258 for additional information. Battery Your Lexus has a maintenance free battery. You do not have to add distilled water. For longer life of the battery, however, see page 287 for additional information. Brake fluid level Make sure the - 1998 Lexus SC 400 | Owners Manual - Page 251
MAINTENANCE DOES YOUR VEHICLE NEED REPAIRING? Be on the alert for changes in performance and sounds, and visual tip-offs that indicate service is needed. Some important clues are: D Engine missing, stumbling, or pinging D Appreciable loss of power D Strange engine noises D A fluid leak under the - 1998 Lexus SC 400 | Owners Manual - Page 252
MAINTENANCE 235 - 1998 Lexus SC 400 | Owners Manual - Page 253
SECTION SERVICE PROCEDURES AND SPECIFICATIONS Introduction 6- 1 Vehicle identification ...237 Engine compartment overview (SC400) ...NO TAG Engine compartment overview (SC300) ...NO TAG Do-it-yourself service precautions ...241 Parts and tools ...242 236 - 1998 Lexus SC 400 | Owners Manual - Page 254
INTRODUCTION VEHICLE IDENTIFICATION The vehicle identification number (VIN) is the legal identifier for your vehicle. This number is on the left top of the instrument panel and can be seen through the windshield from outside. The vehicle identification number (VIN) is also on the Certification - 1998 Lexus SC 400 | Owners Manual - Page 255
INTRODUCTION The engine number is stamped on the engine block as shown. 238 - 1998 Lexus SC 400 | Owners Manual - Page 256
INTRODUCTION 239 - 1998 Lexus SC 400 | Owners Manual - Page 257
INTRODUCTION 240 - 1998 Lexus SC 400 | Owners Manual - Page 258
that improper or incomplete servicing may result in operating problems. Performing do-it-yourself maintenance during the warranty period may affect your warranty coverage. Read the separate Lexus Warranty statement for details and suggestions. This Section gives instructions only for those items - 1998 Lexus SC 400 | Owners Manual - Page 259
material, fluid spray, etc. PARTS AND TOOLS Here is a list of parts and tools you will need to perform do-it-yourself maintenance. Remember all Lexus parts are designed in metric sizes, so your tools must be metric. Checking the engine oil level Parts (if level is low): D Use API grade SH, "Energy - 1998 Lexus SC 400 | Owners Manual - Page 260
engine fan fluid Part (if level is low) D Automatic transmission fluid DEXRONRII or III Tools: D Funnel (only for adding fluid) Checking battery condition Non-maintenance batteries Tools: D Warm water D Baking soda D Grease D Conventional wrench (for terminal clamp bolts) Maintenance type batteries - 1998 Lexus SC 400 | Owners Manual - Page 261
INTRODUCTION Adding washer fluid Parts: D Water D Washer fluid containing antifreeze (for winter use) Tools: D Funnel 244 - 1998 Lexus SC 400 | Owners Manual - Page 262
SECTION SERVICE PROCEDURES AND SPECIFICATIONS Engine 6- 2 246 248 250 251 253 254 258 260 Specifications (SC400) ...Specifications (SC300) ...Fuel ...Facts about engine oil consumption ...Used engine oil ...Checking the engine oil level ...Checking the engine coolant level ...Checking the engine - 1998 Lexus SC 400 | Owners Manual - Page 263
ENGINE SPECIFICATIONS (SC400) - GENERAL Model Type Bore and stroke Displacement Valve clearance (engine cold) Intake Exhaust Drive belt tension - LUBRICATION SYSTEM Oil capacity Drain and refill with filter without filter Oil grade Recommended oil viscosity (SAE): 1UZ-FE 8 cylinder V type, 4 cycle, - 1998 Lexus SC 400 | Owners Manual - Page 264
ENGINE - FUEL Fuel type Octane rating - IGNITION SYSTEM Spark plug - Make - Gap - ELECTRICAL SYSTEM Battery - Maintenance type battery Specific gravity reading at 20_C (68_F): 1.260 Fully charged 1.160 Half charged 1.060 Discharged 15A max. 5A max. 12.7V Fully charged 12.3V Half charged - 1998 Lexus SC 400 | Owners Manual - Page 265
ENGINE SPECIFICATIONS (SC300) - GENERAL Model Type Bore and stroke Displacement Valve clearance (engine cold) Intake Exhaust Drive belt tension - LUBRICATION SYSTEM Oil capacity Drain and refill with filter without filter Oil grade Recommended oil viscosity (SAE): 2JZ-GE 6 cylinder in line, 4 cycle - 1998 Lexus SC 400 | Owners Manual - Page 266
ENGINE - FUEL Fuel type Octane rating - IGNITION SYSTEM Spark plug - Make - Gap - ELECTRICAL SYSTEM Battery - Maintenance type battery Specific gravity reading at 20_C (68_F): 1.260 Fully charged 1.160 Half charged 1.060 Discharged 15A max. 5A max. 12.7V Fully charged 12.3V Half charged - 1998 Lexus SC 400 | Owners Manual - Page 267
steady speed on level roads, consult your Lexus dealer. However, now and then, you may notice light knocking for a short time while accelerating or driving up hills. This is no cause for concern. NOTICE Do not use leaded gasoline. Use of leaded gasoline will cause the three-way catalytic converter - 1998 Lexus SC 400 | Owners Manual - Page 268
happens, contact your Lexus dealer for service. NOTICE D Do not use gasohol other than stated above. It will cause fuel system damage or vehicle performance problems. D If drivability problems are encountered (poor hot starting, vaporizing, engine knock, etc.), discontinue its use. D Take care not - 1998 Lexus SC 400 | Owners Manual - Page 269
burn the oil used to lubricate the exhaust valve stems. The amount of engine oil consumed depends on the viscosity of the oil, the quality of the oil and the way the vehicle is driven. More oil is consumed by high-speed driving and frequent acceleration and deceleration. A new engine consumes more - 1998 Lexus SC 400 | Owners Manual - Page 270
the reach of children. D Dispose of used oil and used oil filters only in a safe and acceptable manner. Do not dispose of used oil and used oil filters in household trash, in sewers or onto the ground. Call your Lexus dealer or a service station for information concerning recycling or disposal - 1998 Lexus SC 400 | Owners Manual - Page 271
level on the dipstick. 1. To get a true reading, the vehicle should be on a level spot. After turning off the engine, wait a few minutes for the oil to drain back into the bottom of the engine. 2. Pull out the dipstick, and wipe it clean with a rag. 3. Reinsert the dipstick and push it in as - 1998 Lexus SC 400 | Owners Manual - Page 272
ENGINE 4. Pull the dipstick out and look at the oil level on the end. If it is between the full line (full level mark) and the low line (low level mark), it is O.K. 255 - 1998 Lexus SC 400 | Owners Manual - Page 273
level mark), add engine oil of the same type as already in the engine. Remove the oil filler cap and add engine oil a little at a time, checking the . Oil quantity. L (qt., lmp. qt.) SC400, SC300 - 1.5 (1.6, 1.3) NOTICE Avoid overfilling, or the engine could be damaged. Check the oil level on the - 1998 Lexus SC 400 | Owners Manual - Page 274
viscosity (SAE): SAE 5W-30 is the best choice for your vehicle, for good fuel economy, and good starting in cold weather. If you use SAE 10W-30 engine oil in extremely low temperatures, the engine may become difficult to start, so SAE 5W-30 engine oil is recommended. Oil identification marks 257 - 1998 Lexus SC 400 | Owners Manual - Page 275
ENGINE Either or both API registered marks are added to some oil containers to help you select the oil you should use. D The API Service Symbol is located anywhere on the outside of the container. The top portion of the label shows the oil quality by API (American Petroleum Institute) designation - 1998 Lexus SC 400 | Owners Manual - Page 276
, see also "Engine coolant selection" described below.) If the coolant level drops within a short time after replenishing, there may be a leak in the system. Visually check the radiator, hoses, radiator cap, drain cock and water pump. If you can find no leak, have your Lexus dealer test the cap - 1998 Lexus SC 400 | Owners Manual - Page 277
Lexus, or a sufficient quantity to provide protection to about -35_C (-31_F). CHECKING THE ENGINE FAN FLUID (SC400 ONLY) NOTICE Do not use alcohol type antifreeze or plain water alone. Park the vehicle at a level spot and look at the see-through reservoir. If necessary, add automatic transmission - 1998 Lexus SC 400 | Owners Manual - Page 278
the "COLD" range. If the level is at the low side of either range, add automatic transmission fluid DEXRONR II or III to bring the level within the range. CAUTION The reservoir may be hot so be careful not to burn yourself. NOTICE When adding the engine fan fluid, avoid overfilling. 261 - 1998 Lexus SC 400 | Owners Manual - Page 279
SECTION SERVICE PROCEDURES AND SPECIFICATIONS Chassis 6- 3 Specifications (SC400) ...263 Specifications (SC300) ...265 Checking brake fluid ...267 Checking power steering fluid ...269 Checking tire pressure ...271 Rotating tires ...273 Checking and replacing tires ...273 Installing snow tires and - 1998 Lexus SC 400 | Owners Manual - Page 280
CHASSIS SPECIFICATIONS (SC400) - AUTOMATIC TRANSMISSION Fluid capacity Drain and refill Fluid type - DIFFERENTIAL Oil capacity Oil type Oil viscosity the pressure of 490 N (50 kgf, 110 lbf.) with the engine running Parking brake adjustment when pulled with the force of 196 N (20 kgf, 44 lbf.) 263 - 1998 Lexus SC 400 | Owners Manual - Page 281
Recommended cold tire inflation pressure Wheel size Wheel nut torque 225/55R16 94V Front 220 kPa (2.2 kgf/cm2 or bar, 32 psi) Rear 220 kPa (2.2 kgf/cm2 or bar, 32 psi) 16 x 7 JJ or 16 x 6 1/2 JJ 103 N·m (10.5 kgf·m, 76 ft·lbf.) Less than 30 mm (1.2 in.) Automatic transmission fluid DEXRONRII - 1998 Lexus SC 400 | Owners Manual - Page 282
CHASSIS SPECIFICATIONS (SC300) - AUTOMATIC TRANSMISSION Fluid capacity Drain and refill Fluid type 1.6 L (1.7 qt., 1.4 lmp.qt.) Automatic transmission fluid D-II or 50 kgf, 110 lbf.) with the engine running Parking brake adjustment when pulled with the force of 196 N (20 kgf, 44 lbf.) 265 - 1998 Lexus SC 400 | Owners Manual - Page 283
Tire size Tire inflation pressure Recommended cold tire inflation pressure Wheel size Wheel nut torque 225/55 R16 94V Front 220 kPa (2.2 kgf/cm2 or bar, 32 psi) Rear 220 kPa (2.2 kgf/cm2 or bar, 32 psi) 16 x 6 1/2 JJ 103 N·m (10.5 kgf·m, 76 ft·lbf.) Less than 30 mm (1.2 in.) Automatic transmission - 1998 Lexus SC 400 | Owners Manual - Page 284
CHASSIS CHECKING BRAKE FLUID To check the fluid level, simply look at the see-through reservoir. The level should be between the "MAX" and "MIN" lines on the tank. 267 - 1998 Lexus SC 400 | Owners Manual - Page 285
indicate a serious mechanical problem. If the level is low, add FMVSS No.116 DOT 3 or SAE J1703 brake fluid to the brake reservoir. Remove and replace the reservoir cover by hand. Add brake fluid up to the "MAX" line. Use only newly opened brake fluid. Once opened, brake fluid absorbs moisture from - 1998 Lexus SC 400 | Owners Manual - Page 286
POWER STEERING FLUID Check the fluid level on the dipstick. If necessary, add automatic transmission fluid DEXRONRII or III. If the vehicle has been driven around 80 km/h (50 is cold (about room temperature, 10_C - 30_C or 50_F - 85_F) if the engine has not been run for about five hours. 269 - 1998 Lexus SC 400 | Owners Manual - Page 287
it is hot, the fluid level should be in the "HOT" range. If the level is at the low side of either range, add automatic transmission fluid DEXRONRII or III to bring the level within the range. 5. After replacing the filler cap, visually check the steering box case, vane pump and - 1998 Lexus SC 400 | Owners Manual - Page 288
adding the power steering fluid, avoid spilling it. The generator under the power steering reservoir could be damaged if fluid is spilled on it. CHECKING TIRE PRESSURE 271 - 1998 Lexus SC 400 | Owners Manual - Page 289
refilling, have it checked by your Lexus dealer. High tire pressure produces a harsh ride, handling problems, excessive wear at the center of the tire tread, and a greater possibility of tire damage from road hazards. The following instructions for checking tire pressure should be observed: D The - 1998 Lexus SC 400 | Owners Manual - Page 290
ROTATING TIRES To equalize tire wear and help extend tire life, Lexus recommends that you rotate your tires approximately every 12000 km (7500 miles). However, the most appropriate timing for tire rotation may vary according to your driving habits and road surface conditions. The wheel assemblies - 1998 Lexus SC 400 | Owners Manual - Page 291
due to the size or location of a cut or other damage, it should be replaced. If you are not sure, consult with your Lexus dealer. If an air loss occurs while driving, do not continue driving with a deflated tire. Driving even a short distance can damage a tire beyond repair. Any tires which are over - 1998 Lexus SC 400 | Owners Manual - Page 292
1/2) times as well on the government course as a tire graded 100. The relative performance of tires depends upon the actual conditions of their use, however, and may depart significantly from the norm due to variations in driving habits, service practices and differences in road characteristics and - 1998 Lexus SC 400 | Owners Manual - Page 293
chains are recommended when driving on snow or ice. On wet or dry road, conventional or radial tires provide better traction than snow or studded tires. Tire selection When replacing a tire, use only the same size and construction as originally installed and with the same or greater load capacity - 1998 Lexus SC 400 | Owners Manual - Page 294
chains. Chain installation Install the chains on the rear tires as tightly as possible. Do not use tire chains on the front tires. Retighten chains after driving 0.5 - 1.0 km (1/4 - 1/2 mile). When installing chains on your tires, carefully follow the instructions of the chain manufacturer. 277 - 1998 Lexus SC 400 | Owners Manual - Page 295
exceed 50 km/h (30 mph) or the chain manufacturer's recommended speed limit, whichever is lower. D Drive carefully avoiding bumps, holes, and sharp turns, which may cause the vehicle to bounce. D Avoid sharp turns or locked-wheel braking, as use of chains may adversely affect vehicle handling. 278 - 1998 Lexus SC 400 | Owners Manual - Page 296
1600 km (1000 miles), check that the wheel nuts are tight. D If you have rotated, repaired, or changed your tires, check that the wheel nuts are still tight after driving 1600 km (1000 miles). D When using tire chains, be careful not to damage the aluminum wheels. D Use only the Lexus wheel nuts and - 1998 Lexus SC 400 | Owners Manual - Page 297
CHASSIS SUSPENSION AND CHASSIS CAUTION Do not modify the suspension/chassis with lift kits, spacers, springs, etc. It can cause dangerous handling characteristics, resulting in loss of control. 280 - 1998 Lexus SC 400 | Owners Manual - Page 298
SECTION SERVICE PROCEDURES AND SPECIFICATIONS Electrical components 6- 4 Specifications ...282 Checking battery condition ...287 Battery recharging precautions ...292 Checking and replacing the blade type fuses ...293 Checking the cartridge type fuses ...297 Adding washer fluid ...299 Checking the - 1998 Lexus SC 400 | Owners Manual - Page 299
ELECTRICAL COMPONENTS SPECIFICATIONS -LOCATION OF FUSES 282 - 1998 Lexus SC 400 | Owners Manual - Page 300
ELECTRICAL COMPONENTS - FUSES Driver's side kick panel 283 - 1998 Lexus SC 400 | Owners Manual - Page 301
, multiport fuel injection system/sequential multiport fuel injection system, SRS airbag system Instrument panel lights, glovebox light Outside rear view mirror defogger Turn signal lights Stop lights, cruise control system cancel device Cigarette lighter, theft deterrent system, shift lock system - 1998 Lexus SC 400 | Owners Manual - Page 302
(except discharge and open door warning lights), back-up lights, electronically controlled automatic transmission system, automatic transmission overdrive system, headlight SRS airbag system, power rear view mirrors On-board diagnosis system Fog lights Seat heater CIRCUIT Preset steering, electronic - 1998 Lexus SC 400 | Owners Manual - Page 303
system, preset steering system, seat belt reminder system, cruise control system, air conditioning system, inside rear view mirror, door lock and theft deterrent system, foot light, power rear view mirror, locking with wireless remote control system, passenger's seat control system. Multiport fuel - 1998 Lexus SC 400 | Owners Manual - Page 304
tools. D Do not smoke or light a match near the battery. The electrolyte contains poisonous and corrosive sulfuric acid. D Avoid contact with eyes, skin or clothes. D Never inhale or swallow electrolyte. D Wear protective safety glasses when working near the battery. D Keep children away from the - 1998 Lexus SC 400 | Owners Manual - Page 305
the hold-down clamp only enough to keep the battery firmly in place. Overtightening may damage the battery case. 288 NOTICE D Make sure the engine and all accessories are turned off before performing maintenance. D When checking the battery, remove the ground cable first and reinstall it last - 1998 Lexus SC 400 | Owners Manual - Page 306
ELECTRICAL COMPONENTS Checking battery fluid There are 2 types of batteries: maintenance type and non-maintenance type. A non-maintenance battery has "MAINTENANCE FREE BATTERY" on its top. A maintenance type battery does not have such indication. Maintenance type battery Check the fluid condition - 1998 Lexus SC 400 | Owners Manual - Page 307
ELECTRICAL COMPONENTS The fluid (electrolyte) level must be between the upper and lower lines. When checking the fluid level, look at all six cells, not just one or two. If the level is lower than the lower line, add distilled water. (See "Adding distilled water" on page 292.) (b) Checking by the - 1998 Lexus SC 400 | Owners Manual - Page 308
"Adding distilled water" on page 292.) Non-maintenance type battery BLUE - Good condition. WHITE - Charging necessary. Have the battery checked by your Lexus dealer. RED - Have the battery checked by your Lexus dealer. NOTICE For non-maintenance battery: Do not refill the battery with water. 291 - 1998 Lexus SC 400 | Owners Manual - Page 309
Use a cover on the battery for longer life. CAUTION D Always charge the battery in an unconfined area. Do not charge the battery in a garage or closed room where there is not sufficient ventilation. 292 D Non-maintenance batteries: Only do a slow charge (5 A or less). Charging at a quicker rate is - 1998 Lexus SC 400 | Owners Manual - Page 310
ELECTRICAL COMPONENTS NOTICE Never recharge the battery while the engine is running. Also, make sure all accessories are turned off. CHECKING AND REPLACING THE BLADE TYPE FUSES 293 - 1998 Lexus SC 400 | Owners Manual - Page 311
ELECTRICAL COMPONENTS 1. Turn the ignition switch off and open the fuse box lid. Determine which fuse may be causing the problem. The lid of the fuse box shows the name of the circuit for each fuse. 294 - 1998 Lexus SC 400 | Owners Manual - Page 312
ELECTRICAL COMPONENTS 2. Make sure the inoperative component is turned off. Pull the suspected fuse straight out with the pull-out tool and check it. If it has blown, push a new fuse into the clips. 295 - 1998 Lexus SC 400 | Owners Manual - Page 313
of the same value that you know is good. b. Only install a fuse with the amperage rating designated on the new fuse immediately blows out, there is a problem with the electrical system. Have your Lexus dealer correct it as soon as possible. CAUTION Never use a fuse with a higher amperage rating - 1998 Lexus SC 400 | Owners Manual - Page 314
ELECTRICAL COMPONENTS CHECKING THE CARTRIDGE TYPE FUSES If the headlights or other electrical components do not work and the blade type fuses are O.K., check the cartridge type fuses. If any of the cartridge type fuses are blown, they must be replaced. 297 - 1998 Lexus SC 400 | Owners Manual - Page 315
in the circuits from the battery, the fuses are designed to blow before the entire wiring harness is damaged. NOTICE Before replacing the fuses, have the cause of electrical overload determined and repaired by your Lexus dealer. CAUTION Always use a genuine Lexus fuse or equivalent for replacement - 1998 Lexus SC 400 | Owners Manual - Page 316
containing antifreeze. This product is available at your Lexus dealer and most auto parts stores. Follow the manufacturer's directions for how much to mix with water. CHECKING THE HEADLIGHT AIM (For low beam only) NOTICE Do not use engine antifreeze or any other substitute because it may damage - 1998 Lexus SC 400 | Owners Manual - Page 317
spot. 3. The driver should stay in the driver's seat so that the vehicle has its normal load (with the tank full). 4. Bounce the vehicle several times. To check the headlight aim, check the vertical and horizontal gauges. 1. Look at the beam angle gauge (vertical movement). The bubble of the gauge - 1998 Lexus SC 400 | Owners Manual - Page 318
glass part of a bulb with bare hands. NOTICE Only use a bulb of the listed type. Light Bulbs Headlights (low beam) Headlights (high beam) Fog lights Parking lights Bulb No. 9006 9005 ---- ---- W 55 65 55 5 Type A B C E Front side marker lights Front turn signal lights Rear turn signal lights Light - 1998 Lexus SC 400 | Owners Manual - Page 319
ELECTRICAL COMPONENTS License plate lights Interior light Personal lights Glovebox light Door courtesy lights Footlights Vanity lights Trunk light A: HB4 halogen bulbs B: HB3 halogen bulbs C: H3 halogen bulbs D: Single end bulbs E: Wedge base bulbs F: Double end bulbs 194 5 10 8 1.2 5 1.2 3 3.8 E F - 1998 Lexus SC 400 | Owners Manual - Page 320
ELECTRICAL COMPONENTS 303 - 1998 Lexus SC 400 | Owners Manual - Page 321
ELECTRICAL COMPONENTS 304 - 1998 Lexus SC 400 | Owners Manual - Page 322
ELECTRICAL COMPONENTS 305 - 1998 Lexus SC 400 | Owners Manual - Page 323
SECTION SERVICE PROCEDURES AND SPECIFICATIONS Body 6- 5 Specifications ...307 Protecting your vehicle from corrosion ...308 Washing and waxing ...309 Cleaning the interior ...311 306 - 1998 Lexus SC 400 | Owners Manual - Page 324
BODY SPECIFICATIONS - DIMENSIONS AND WEIGHT Overall length Overall width Overall height Wheelbase Tread - Front - Rear Vehicle capacity weight (occupants + luggage) *1: without front license plate moulding - FUEL TANK Capacity 78 L (20.6 gal., 17.2 lmp.gal.) *2: Unladen vehicle 4900 mm (192.9 in.) - 1998 Lexus SC 400 | Owners Manual - Page 325
or damp for an extended period of time, even though other parts of the vehicle are dry. D Components of the vehicle which are prevented from quick-drying due to lack of proper ventilation are exposed to high temperature. To help prevent corrosion on your Lexus, follow these guidelines: Keep your - 1998 Lexus SC 400 | Owners Manual - Page 326
your Lexus Work in the shade and wait until the vehicle body is not hot to the touch. 1. Rinse off loose dirt with a hose. Remove any mud or road salt from the underside of the vehicle or in the wheel wells. 2. Wash with a mild car-wash soap, mixed according to the manufacturer's instructions. Use - 1998 Lexus SC 400 | Owners Manual - Page 327
wheels: Use only a mild soap or neutral detergent. Urethane bumpers and side moldings: Wash carefully. Do not scrub with abrasive cleaners. The bumper and side molding faces are soft. Road Lexus' use a car-cleaning polish, followed by a separate wax. Carefully follow the manufacturer's instructions - 1998 Lexus SC 400 | Owners Manual - Page 328
your Lexus. Due to a leather product, some parts of leather may be rough, uneven or scratched originally. To keep good appearance, we recommend you to clean it periodically twice a year. Remove dirt on the leather in the following ways: 1. Wipe it off lightly using a soft cloth (e.g. gauze) dampened - 1998 Lexus SC 400 | Owners Manual - Page 329
and water. First vacuum over the upholstery to remove loose dirt. Then, using a sponge or soft cloth, apply the soap solution to the synthetic leather type cleaners are also available which work well. Follow the manufacturer's instructions. NOTICE D Dirt or sand adhered to the leather may damage - 1998 Lexus SC 400 | Owners Manual - Page 330
your local Lexus dealer will be pleased to answer them. NOTICE D Use a good foam-type shampoo to clean the carpets. D Do not use dye or bleach on the belts - it may weaken them. D The windows may be cleaned with any household window cleaner. D When cleaning the inside of the rear window, be careful - 1998 Lexus SC 400 | Owners Manual - Page 331
-25-LEXUS). If NHTSA receives similar complaints, it may open an investigation, and if it finds that a safety defect exists in a group of vehicles, it may order a recall and remedy campaign. However, NHTSA cannot become involved in individual problems between you, your dealer, or Toyota Motor Sales
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 |
 |
WE REALLY CARE ABOUT YOU – PLEASE BUCKLE UP
Lexus has made a special effort to encourage use of seat belts.
Lexus belts are:
D
Comfortable
D
Easy to use
D
Convenient
We encourage you to use your belts every time you drive.
SC400/300 (U)