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07 Driver support
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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
acceleration.
Traction control system
The function is active at low speed and trans-
fers power from the driving wheel that is spin-
ning to the one that is not.
Engine drag control - EDC
EDC (Engine Drag Control) prevents involun-
tary 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 abil-
ity to steer the car.
Corner Traction Control - CTC*
CTC compensates for understeer and allows
higher than normal acceleration in a bend
07
without wheelspin on the inner wheel, e.g. on
an arcing motorway entrance road to quickly
reach the prevailing traffic speed.
Trailer Stability Assist is included in the installation of Volvo genuine towbar.
1
*
188
Option/accessory, for more information, see Introduction.
Trailer Stability Assist* - TSA
Trailer stability assist (p. 321) function is to
stabilise the car and trailer combination if it
begins to snake. For more information, see
Driving with a trailer* (p. 316).
NOTE
The function is deactivated if the driver
selects Sport mode.
Related information
•
Electronic stability control (ESC) - opera-
tion (p. 188)
•
Electronic stability control (ESC) - sym-
bols and messages (p. 190)
Electronic stability control (ESC) -
1
operation
Selection of level - Sport mode
The ESC system is always activated - it can-
not be deactivated.
For a description of the menu system, see
MY CAR (p. 110).
In Sport mode the system detects whether
the accelerator pedal, steering wheel move-
ments and cornering are more active than in
normal driving and then allows controlled
skidding with the rear section up to a certain
level before it intervenes and stabilises the
car.
If, for example, the driver stops a controlled
skid by releasing the accelerator pedal, then
the ESC system intervenes and stabilises the
car.
With Sport mode, maximum traction is also
obtained if the car has become stuck, or
when driving on a loose surface - e.g. sand or
deep snow.
However, the driver can
select the Sport mode,
which allows for a more
active driving experience.
Sport mode is selected in
the menu system MY CAR.
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