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Active stability control
(ASC)
E00616701468
The Active Stability Control (ASC) takes
overall control of the anti-lock brake system,
traction control function and stability control
function to help maintain the vehicle’s con-
trol and traction. Please read this section in
conjunction with the page on the anti-lock
brake system, traction control function and
stability control function.
Anti-lock brake system (ABS) ® p. 7-28
Traction control function ® p. 7-32
Stability control function ® p. 7-32
CAUTION
l
Do not over-rely on the ASC. Even the ASC
cannot prevent the natural laws of physics
from acting on the vehicle.
This system, like any other system, has lim-
its and cannot help you to maintain traction
and control of the vehicle in all circumstan-
ces. Reckless driving may lead to accidents.
It is the driver’s responsibility to drive care-
fully. This means taking into account the
traffic, road and environmental conditions.
l
Be sure to use the same specified type and
size of tyre on all 4 wheels. Otherwise, the
ASC may not work properly.
CAUTION
l
Do not install any aftermarket limited-slip
differential (LSD) on your vehicle. The ASC
may stop functioning properly.
NOTE
l
An operation noise may be emitted from the
Plug-in Hybrid EV System compartment in
the following situations. The sound is asso-
ciated with checking the operations of the
ASC. At this time, you may feel a shock
from the brake pedal if you depress it. These
do not indicate a malfunction.
•
When the operation mode is put in ON.
•
When the vehicle is driven for a while af-
ter the Plug-in Hybrid EV System is
turned on.
l
When the ASC is activated, you may feel a
vibration in the vehicle body or hear a whin-
ing sound from the Plug-in Hybrid EV Sys-
tem compartment.
This indicates that the system is operating
normally. It does not indicate a malfunction.
l
When the anti-lock brake system warning
lamp is illuminated, the ASC is not active.
Traction control function
E00619000087
On slippery surfaces, the traction control
function prevents the drive wheels from ex-
cessive spinning, thus helping the vehicle to
start moving from a stopped condition. It also
provides sufficient driving force and steering
performance as the vehicle turns while press-
ing the acceleration pedal.
CAUTION
l
When driving a vehicle on a snowy or icy
road, be sure to install snow tyres and drive
the vehicle at moderate speeds.
Stability control function
E00619101098
The stability control function is designed to
help the driver maintain control of the vehicle
on slippery roads or during rapid steering ma-
noeuvres. It works by controlling the Plugin
Hybrid EV System output and the brake on
each wheel.
NOTE
l
The stability control function operates at
speeds of about 15 km/h (9 mph) or higher.
Active stability control (ASC)
7-32
OGGE16E1
Starting and driving
7
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