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DRIVER SUPPORT
* Option/accessory.
185
•
Engine drag control - EDC
•
Corner Traction Control - CTC
•
Driver Steering Recommendation – DSR
•
Trailer Stability Assist* - TSA
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 reduces engine power if the drive
wheels slip against the underlying surface in
order to maintain stability and traction.
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 - EDC
EDC (Engine Drag Control) prevents involuntary
wheel locking, e.g. after shifting down or engine
braking when driving in low gears on slippery
road surfaces.
Involuntary wheel locking while driving can,
amongst other things, impair the driver's ability to
steer the car.
Corner Traction Control - CTC
CTC (Corner Traction Control) compensates for
understeer and allows higher than normal accel-
eration in a bend without wheelspin on the inner
wheel, e.g. on an arcing motorway entrance road
to quickly reach the prevailing traffic speed.
Driver Steering Recommendation –
DSR
DSR (Driver Steering Recommendation) helps
the driver steer the car in the right direction when
there is reduced traction or when the ABS sys-
tem engages.
The primary role of the DSR function is to help
the driver steer in the right direction when the car
is skidding.
DSR engages by applying slight torque to the
steering wheel in the direction in which the car
should be steered to maintain/achieve maximum
possible traction and stabilise the car.
Trailer Stability Assist* - TSA
1
Trailer stability assist (p. 312) function is to sta-
bilise the car and trailer combination if it begins
to snake. For more information, see Driving with a
trailer (p. 305).
NOTE
The function is deactivated if the driver
selects Sport mode.
Related information
•
Electronic stability control (ESC) - operation
(p. 186)
•
Electronic stability control (ESC) - symbols
and messages (p. 187)
1
Trailer Stability Assist is included in the installation of the Volvo genuine towbar.
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