Vehicle Skid Control System; "Slip Indicator Light - Lexus LS400 Owner's Manual

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STARTING AND DRIVING

VEHICLE SKID CONTROL SYSTEM

The vehicle skid control system helps to provide comprehensive
control of the systems such as an anti−lock brake system,
traction control, engine control, electronically modulated air
suspension, etc. This system automatically controls the output
of the brakes or engine to help prevent the vehicle from skidding
when cornering on a slippery road surface or abrupt steering
wheel operation occurs.
31L052−1

"Slip indicator light

If the vehicle is going to skid during driving, the slip indicator light
flashes and an alarm sounds.
The vehicle skid control activates when the vehicle speed is about
more than 15 km/h (9 mph).
174
Depressing the brake pedal repeatedly causes a small noise from the
engine compartment. This is a pump pulsating sound of the brake
system and it is not a malfunction.
You may hear a slight clicking noise in the engine compartment for
a few seconds when the engine is started or just after the vehicle is
started. This means that the vehicle skid control is in the self−check
mode and does not indicate a malfunction.
31L017-2
You can turn off the vehicle skid control system by pushing the
"VSC OFF" switch. The "VSC OFF" indicator comes on. At
this time, the traction control system also turns off. You cannot
turn off either one of them. Pushing the "VSC OFF" switch a
second time turns the system back on and extinguishes the "VSC
OFF" indicator light.
When you turn the ignition switch on, this system always turns on.

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