Lexus GS460 Owner's Manual page 135

If the engine does not start
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The immobilizer system may not have been deactivated. (P. 85)
When the steering lock cannot be released
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When the "ENGINE START STOP" switch indicator flashes in amber
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The system may be malfunctioning. Have the vehicle inspected by your Lexus
dealer immediately.
Auto power OFF function
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If the vehicle is left in ACCESSORY or IGNITION ON mode (the engine is not
running) for more than an hour with the shift lever in P, the "ENGINE START STOP"
switch will automatically turn off. However, this function cannot entirely prevent bat-
tery discharge. Do not leave the vehicle with the "ENGINE START STOP" switch in
ACCESSORY or IGNITION ON mode for long periods of time when the engine
is not running.
Electronic key battery depletion
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P. 35
When the electronic key battery is discharged
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P. 482
Conditions affecting operation
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P. 33
GS_G_U (OM30C11U)
May 21, 2010 1:06 pm
2-1. Driving procedures
The green indicator light on the "ENGINE
START STOP" switch will flash and a mes-
sage will be shown on the multi-information
display. Press the "ENGINE START STOP"
switch again while turning the steering wheel
left and right.
2
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