Downhill Assist Control System - Lexus GX470 2006 Service Manual

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D Vehicle stability control system
D Active traction control system
D Downhill assist control system
D Hill start assist control
When the system is normal and the ignition key is turned to
"ON", the warning light will come on and will go off after a few
seconds. It is not a malfunction that the warning light may stay
on for 60 seconds after the ignition key is turned to the "ON"
position.
Depressing the brake pedal repeatedly may turn on the light.
It is normal if they go out after a few seconds.
If the light comes on while driving, the vehicle stability control
system does not work. However, as normal braking operates
when being applied, there is no problem to continue your
driving.
In the following cases, contact your Lexus dealer:
D The warning light does not come on after the ignition key is
turned to "ON".
D The warning light remains on after the ignition key is turned
to "ON".
D The warning light comes on while driving.
DOWNHILL ASSIST CONTROL
The downhill assist control system is a system that
assists the deceleration of the engine brake when you
drive down a steep hill. When you are driving down a hill
with the four wheel drive control lever in the "L" position,
push the "DAC" switch to limit the vehicle's acceleration.
If the vehicle is traveling at a speed of 25 km/h (15 mph) or
less, you can descend at a constant speed.
Do not rely excessively on the downhill assist control
system. It may not be able to maintain a low speed over
road surfaces or off road surfaces on which sliding can
easily occur, such as extremely steep slopes or icy or
muddy roads.
I n f o r ma t i o n P r o v i d e d b y :
STARTING AND DRIVING
SYSTEM
CAUTION
377

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