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2008 Lexus GS 450h Owners Manual - Page 490

2008 Lexus GS 450h Manual

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5-2. Steps to take in an emergency n When the tire pressure warning light comes on Check the tire inflation pressure and adjust to the appropriate level. Pushing the tire pressure warning reset switch does not turn off the tire pressure warning light. n If the tire pressure warning system is inoperative The tire pressure warning system will be disabled in the following conditions: (When the condition becomes normal, the system will work properly.) l If tires not equipped with tire pressure warning valves and transmitters are used. l If the ID code on the tire pressure warning valves and transmitters is not regis- tered in the tire pressure warning computer. l If the tire pressure warning select switch is set to a different tire setting. l If the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm2 or bar) or higher. The tire pressure warning system may be disabled in the following conditions: (When the condition becomes normal, the system will work properly.) l If electronic devices or facilities using similar radio wave frequencies are nearby. l If a radio set at similar frequencies is in use in the vehicle. l If a window tint that affects the radio wave signals is installed. l If there is a lot of snow or ice on the vehicle, in particular around the wheels or wheel housings. l If non-genuine Lexus wheels are used. (Even if you use Lexus wheels, the tire pressure warning system may not work properly with some types of tires.) l If tire chains are used. n The tire pressure warning light may turn on due to natural causes The tire pressure warning light may turn on due to natural causes such as natural air leaks or tire inflation pressure changes caused by temperature. In this case, adjusting the tire inflation pressure will turn off the warning light (after a few minutes). n When a tire is replaced with a spare tire The compact spare tire is not equipped with the tire pressure warning valve and transmitter. If a tire goes flat, the tire pressure warning light will not turn off even though the flat tire is replaced with the spare tire. Replace the spare tire with the repaired tire and adjust the proper tire inflation pressure. The tire pressure warning light will turn off after a few minutes. 496 GS_HV_U March 29, 2010 3:31 pm

Section	Page
Front	1
TOC	2
Pictoral index	6
Foreword	16
Hybrid system	21
Key information	32
Opening, closing and locking the doors and trunk	34
Adjustable components seats, mirrors, steering wheel	57
Opening and closing the windows and moon roof	76
Refueling	82
Theft deterrent system	87
Safety information	92
Driving procedures	126
Instrument cluster	146
Operating the lights and windshield wipers	156
Using other driving systems	164
Driving information	208
Using the touch screen	220
Using the air conditioning system and defogger	228
Using the audio system	237
Using the hands-free phone system for cellular phone	302
Using the interior lights	348
Using the storage features	351
Other interior features	358
Maintenance and care	397
Maintenance	403
Do-it-yourself maintenance	409
Essential information	476
Steps to take in an emergency	485
Specifications	537
Customization	562
Initialization	568
Reporting safety defects for U.S. owners	570
Abbreviation list	573
Alphabetical index	575
What to do if	585
Gas station information	587
Quick Reference Pictoral Index	588
Entering and Exiting	595
Before Driving	598
When Driving	605
Rain and Night Driving	614
Driving Comfort	617
Opening and Closing	632
What to do if	636
Customizing Your Lexus	642
Scheduled Maintenace Guide	648

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496

5-2. Steps to take in an emergency

GS_HV_U

March 29, 2010 3:31 pm

When the tire pressure warning light comes on

Check the tire inflation pressure and adjust to the appropriate level. Pushing the tire

pressure warning reset switch does not turn off the tire pressure warning light.

If the tire pressure warning system is inoperative

The tire pressure warning system will be disabled in the following conditions:

(When the condition becomes normal, the system will work properly.)

If tires not equipped with tire pressure warning valves and transmitters are used.

If the ID code on the tire pressure warning valves and transmitters is not regis-

tered in the tire pressure warning computer.

If the tire pressure warning select switch is set to a different tire setting.

If the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm

or bar) or higher.

The tire pressure warning system may be disabled in the following conditions:

(When the condition becomes normal, the system will work properly.)

If electronic devices or facilities using similar radio wave frequencies are nearby.

If a radio set at similar frequencies is in use in the vehicle.

If a window tint that affects the radio wave signals is installed.

If there is a lot of snow or ice on the vehicle, in particular around the wheels or

wheel housings.

If non-genuine Lexus wheels are used. (Even if you use Lexus wheels, the tire

pressure warning system may not work properly with some types of tires.)

If tire chains are used.

The tire pressure warning light may turn on due to natural causes

The tire pressure warning light may turn on due to natural causes such as natural air

leaks or tire inflation pressure changes caused by temperature. In this case, adjust-

ing the tire inflation pressure will turn off the warning light (after a few minutes).

When a tire is replaced with a spare tire

The compact spare tire is not equipped with the tire pressure warning valve and

transmitter. If a tire goes flat, the tire pressure warning light will not turn off even

though the flat tire is replaced with the spare tire. Replace the spare tire with the

repaired tire and adjust the proper tire inflation pressure. The tire pressure warning

light will turn off after a few minutes.