Driving Assist Systems - Lexus LS460 2011 Owner's Manual

Driving assist systems

To help enhance driving safety and performance, the following sys-
tems operate automatically in response to various driving situations.
Be aware, however, that these systems are supplementary and should
not be relied upon too heavily when operating the vehicle.

ABS (Anti-lock Brake System)
Helps to prevent wheel lock when the brakes are applied suddenly,
or if the brakes are applied while driving on a slippery road surface

Brake assist
Generates an increased level of braking force after the brake pedal
is depressed, when the system detects a panic stop situation

VSC (Vehicle Stability Control)
Helps the driver to control skidding when swerving suddenly or
turning on slippery road surfaces

TRC (Traction Control)
Maintains drive power and prevents any of the drive wheels from
spinning when starting the vehicle or accelerating on slippery roads

Hill-start assist control
Prevents the vehicle from rolling backwards when starting on an
incline or slippery slope

EPS (Electric Power Steering)
Employs an electric motor to reduce the amount of effort needed to
turn the steering wheel

VGRS (Variable Gear Ratio Steering)
Adjust the wheel turning angle in accordance with the vehicle speed
and steering wheel movement

VDIM (Vehicle Dynamics Integrated Management)
Provides integrated control of the ABS, brake assist, TRC, VSC,
hill-start assist control, EPS, and VGRS systems
Maintains vehicle stability when swerving on slippery road surfaces
by controlling the brakes and engine output, steering assist and
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2-4. Using other driving systems
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