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STARTING AND DRIVING
* Option/accessory.
461
Help when starting on a hill
Hill start assist (HSA
4
) prevents the car from
rolling backwards when starting on an uphill
gradient. When reversing uphill, it prevents
the car from rolling forwards.
The function means that the pedal pressure in
the brake system remains for several seconds
while the driver's foot is moved from brake
pedal to accelerator pedal.
The temporary braking effect releases after
several seconds or when the driver starts to
drive away.
The Hill Start Assist is activated when stop-
ping on a sleep slope. The function is available
even when the automatic braking when sta-
tionary (Auto hold) function is deactivated.
Related information
•
Automatic braking when stationary
(p. 459)
•
Foot brake (p. 453)
Auto braking after a collision
In the event of a collision in which the activa-
tion level is reached for the pyrotechnic seat-
belt tensioners or airbags, or if a collision
with a large animal is detected, the car's
brakes are automatically applied. This func-
tion is to prevent or reduce the effects of any
subsequent collision.
After a serious collision there is a risk that it is
no longer possible to control and steer the car.
In order to avoid or mitigate a possible further
collision with a vehicle or an object in the vehi-
cle's path, the auto braking system is acti-
vated automatically and brakes the car in a
safe manner.
Brake lights and hazard warning lights are
activated during braking. When the car has
stopped, the hazard warning lights continue to
flash and the parking brake is applied.
If braking is not appropriate, e.g. if there is a
risk of being hit by following traffic, the sys-
tem can be overridden by the driver depress-
ing the accelerator pedal.
The function assumes that the brake system is
intact after the collision.
Related information
•
Rear Collision Warning* (p. 370)
•
BLIS* (p. 371)
•
Brake functions (p. 453)
Regenerative braking*
The car recovers kinetic energy during brak-
ing in order to reduce fuel consumption and
emissions.
The battery symbol is shown in the
driver display when the car is gener-
ating power for the battery.
The function is available in all drive modes
together with gear position D or B.
Activating brake regeneration
Brake regeneration is activated by gentle pres-
sure on the brake pedal or during engine brak-
ing.
Regeneration increases during engine braking
when manual gearshift mode B is selected.
Related information
•
Drive modes (p. 469)
•
Changing gear with automatic gearbox
(p. 463)
4
Hill Start Assist
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