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STARTING AND DRIVING
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* Option/accessory.
429
Before starting the engine with the
alcohol lock*
The alcohol lock is activated automatically
and is then ready for use when the car is
opened.
To bear in mind
In order to obtain correct function and as
accurate a measurement result as possible:
•
Avoid eating or drinking approx. 5 minutes
before the breath test.
•
Avoid excess windscreen washing - the
alcohol in the washer fluid may result in an
incorrect measurement result.
NOTE
After a completed period of driving, the
engine can be restarted within 30 minutes
without a new breath test.
Related information
•
Bypass of the alcohol lock* (p. 428)
•
Alcohol lock* (p. 428)
•
Starting the car (p. 424)
•
Ignition positions (p. 426)
Brake functions
The car's brakes are used to reduce the
speed or prevent the car from rolling.
In addition to the foot brake and parking
brake, the car is equipped with several auto-
matic brake assist functions. These can assist
the driver by not needing to keep his/her foot
on the brake pedal when at a traffic light, or
when starting on an uphill gradient.
Depending on the car's equipment, the follow-
ing auto braking functions are available:
•
Automatic brake when stationary (Auto
Hold)
•
Hill start assist (Hill Start Assist)
•
Auto braking after a collision
•
City Safety
Related information
•
Foot brake (p. 429)
•
Parking brake (p. 432)
•
Automatic braking when stationary
(p. 435)
•
Auto braking after a collision (p. 437)
•
Help when starting on a hill (p. 437)
•
City Safety™ (p. 276)
Foot brake
The foot brake is part of the brake system.
The car is equipped with two brake circuits. If
a brake circuit is damaged, the brake pedal
may engage deeper. Higher pressure on the
pedal will therefore be needed to produce the
normal braking effect.
WARNING
The brake servo only works when the elec-
tric motor or internal combustion engine is
running.
If the foot brake is used when the car is
switched off, greater pedal pressure is
required to brake the car.
In very hilly terrain or when driving with a
heavy load the brakes can be relieved by using
engine braking in gearshift mode B.
Anti-lock braking system
The car has anti-lock brakes (ABS
2
), which
prevents the wheels from locking while brak-
ing and allows maintained steering control.
Vibration may be felt in the brake pedal when
this is engaged and this is normal.
A short test of the ABS system is made auto-
matically after the car has been started when
the driver releases the brake pedal. A further
automatic test of the system may be made at
2
Anti-lock Braking System
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