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DRIVER SUPPORT
* Option/accessory.
271
Electronic Stability Control ESC
2
Electronic Stability Control (ESC) helps the
driver to avoid skidding and improves the car's
traction.
The activation of the ESC sys-
tem during braking may be
noticed as a throbbing sound.
The car may accelerate slower
than expected when the accel-
erator pedal is depressed.
WARNING
•
The stability system ESC is supplemen-
tary driver support intended to facilitate
driving and make it safer – it cannot han-
dle all situations in all traffic, weather and
road conditions.
•
ESC is not a substitute for the driver's
attention and judgement. The driver is
always responsible for ensuring the car is
driven in a safe manner, at the appropri-
ate speed, with an appropriate distance to
other vehicles, and in accordance with
current traffic rules and regulations.
The ESC system consists of the following func-
tions:
•
Active Yaw Control
•
Spin Control
•
Traction control system
•
Engine Drag Control
•
Trailer stability assist
Active Yaw Control
The function checks the driving and brake force
of the wheels individually in order to stabilise the
car.
Spin Control
The function prevents the driving wheels from
spinning against the road surface during acceler-
ation.
Traction control system
The function is active at low speed and transfers
power from the driving wheel that is spinning to
the one that is not.
Engine Drag Control
Engine Drag Control (EDC
3
) prevents involuntary
wheel locking, e.g. after shifting down or engine
braking when driving in low gear on slippery road
surfaces.
Involuntary wheel locking while driving can,
amongst other things, impair the driver's ability to
steer the car.
Trailer stability assist*
4
Trailer Stability Assist (TSA
5
) stabilises a car with
attached trailer in situations where snaking
occurs. Also see section "Trailer Stability Assist"
for more information.
NOTE
The TSA function is deactivated if sport mode
is activated.
Related information
•
Sport mode for electronic stability control
(p. 272)
•
Symbols and messages for electronic stabil-
ity control (p. 273)
•
Stability system RSC
1
(p. 270)
•
Trailer Stability Assist* (p. 451)
1
Roll Stability Control
2
Electronic Stability Control
3
Engine Drag Control
4
Trailer stability assist is included when installing the Volvo genuine towbar.
5
Trailer Stability Assist
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