Hill-Start Assist Control - Lexus GS 350 Owner's Manual

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4-5. Using the driving support systems

Hill-start assist control

Assists with starting off and temporarily maintains braking power even
if the foot is removed from the brake pedal when starting off on an
incline or a slippery slope.
To engage hill-start assist control,
further depress the brake pedal
when the vehicle is stopped com-
pletely.
A buzzer will sound once to indicate
the system is activated. The slip indica-
tor will also start flashing.
Hill-start assist control operating conditions
■
The system operates in the following situations:
●
• The shift lever is in a position other than P.
• The parking brake is not applied.
• The accelerator pedal is not depressed.
Hill-start assist control cannot be operated while the slip indicator light is illumi-
●
nated.

Hill-start assist control

■
While hill-start assist control is operating, the brakes remain automatically applied
●
after the driver releases the brake pedal. The stop lights and the high mounted
stoplight turn on.
Hill-start assist control operates for about 2 seconds after the brake pedal is
●
released.
If the slip indicator does not flash and the buzzer does not sound when the brake
●
pedal is further depressed, slightly reduce the pressure on the brake pedal (do not
allow the vehicle to roll backward) and then firmly depress it again. If the system still
does not operate, check that the operating conditions explained above have been
met.