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2010 Lexus HS 250h Owners Manual - Page 633

2010 Lexus HS 250h Manual

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LKA (Lane-Keeping Assist) (If Equipped) While driving on a freeway or motor highway that has lane markers, this system recognizes the lanes using a camera as a sensor to assist the driver with staying in the lane. The LKA system has two functions. Lane departure warning function If the system judges that the vehicle may deviate from its lane, it alerts the driver using rapid beeping, indications on the multi-information display, and a sensory warning given via the steering wheel. Lane keeping assist function This function will be active when the vehicle-to-vehicle distance control mode of the cruise control is set with vehicle speed above approx. 45 mph (approx. 72 km/h) and while the lane departure warning function is active. When the lane keeping assist function is active, a slight steering torque will be applied, to help the driver maintain the vehicle inside the lane. n Turning the LKA system on The lane departure warning function and lane keeping assist function will be activated depending on the recognition condition of lane markers, vehicle speed and the setting of radar cruise control (vehicle-to-vehicle distance control mode). Press the "LKA" switch to activate the system. "LKA" indicator will come on. Press the switch again to turn the LKA system off. 29

Section	Page
Front	1
TOC	2
Pictoral index	8
Foreword	18
Hybrid system	23
Key information	38
Opening, closing and locking the doors and back door	44
Adjustable components seats, mirrors, steering wheel	64
Opening and closing the windows and moon roof	86
Refueling	92
Theft deterrent system	96
Safety information	101
Driving procedures	135
Instrument cluster	164
Operating the lights and windshield wipers	185
Using other driving systems	203
Driving information	242
Using the air conditioning system and defogger	252
Using the audio system	262
Using the Bluetooth audio system	312
Using the hands-free phone system for cellular phone	329
Using the interior lights	361
Using the storage features	364
Other interior features	372
Maintenance and care	402
Maintenance	409
Do-it-yourself maintenance	416
Essential information	481
Steps to take in an emergency	491
Specifications	546
Customization	570
Initialization	582
Reporting safety defects for U.S. owners	583
Abbreviation list	586
Alphabetical index	588
What to do if	600
Gas station information	604
Quick Reference Pictoral Index	605
Hybrid System	614
Entering and Exiting	618
When Driving	621
Rain and Night Driving	637
Driving Comfort	642
Opening and Closing	682
What to do if	685
Customizing Your Lexus	690
Scheduled Maintenance Guide	691

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LKA (Lane-Keeping Assist) (If Equipped)

Lane departure warning function

If the system judges that the vehicle may deviate from its lane, it alerts the driver using

rapid beeping, indications on the multi-information display, and a sensory warning given

via the steering wheel.

Lane keeping assist function

This function will be active when the vehicle-to-vehicle distance control mode of the

cruise control is set with vehicle speed above approx. 45 mph (approx. 72 km/h) and

while the lane departure warning function is active. When the lane keeping assist func-

tion is active, a slight steering torque will be applied, to help the driver maintain the vehi-

cle inside the lane.

Turning the LKA system on

The lane departure warning function and lane keeping assist function will be activated

depending on the recognition condition of lane markers, vehicle speed and the setting of

radar cruise control (vehicle-to-vehicle distance control mode).

Press the °LKA± switch to activate the sys-

tem.

°LKA± indicator will come on.

Press the switch again to turn the LKA

system off.

While driving on a freeway or motor highway that has lane markers, this system recog-

nizes the lanes using a camera as a sensor to assist the driver with staying in the lane. The

LKA system has two functions.