User Manual - Page 324

For LE.

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322
SIENNA_OM_OM08035U_(U)
4-5. Using the driving support systems
Driving assist systems
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
TRAC (Traction Control)
Helps to maintain drive power and prevent the drive wheels from
spinning when starting the vehicle or accelerating on slippery roads
Hill-start assist control
Helps to reduce the backward movement of the vehicle when start-
ing on an uphill
EPS (Electric Power Steering)
Employs an electric motor to reduce the amount of effort needed to
turn the steering wheel
Active Torque Control 4WD (AWD models only)
Automatically switches from front-wheel drive to AWD (All-Wheel
Drive) according to driving conditions, helping to ensure reliable
handling and stability. Examples of conditions where the system will
switch to AWD are when cornering, going uphill, starting off or
accelerating, and when the road surface is slippery due to snow or
rain etc.
To keep driving safety and performance, the following systems
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.
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