Seek assistance from a specialist garage immediately.
In the event of an ABS fault, the other braking and stabilization systems are
turned off » page 138 , Braking and stabilisation systems .WARNING■
A fault to the ABS system or the braking system can increase the vehi-
cle's braking distance – risk of accident!■
If warning light
illuminates simultaneously with warning light
» page 35 ,
Brake system
, do not continue your journey! Seek help
from a specialist garage.
Rear fog light
Read and observe
on page 34 first.
The warning light
illuminates when the rear fog light is switched on.
Exhaust inspection system
Read and observe
on page 34 first.
If the warning light
illuminates , there is a fault in the exhaust inspection
system. The system allows the vehicle to run in emergency mode.
Seek assistance from a specialist garage immediately.
Glow plug system (diesel engine)
Read and observe
on page 34 first.
If the warning light
does not come on or lights up continuously once the
ignition has been switched on, this indicates a fault in the glow plug system
If the warning light begins to
flash while driving, a fault exists in the engine
control. The system allows the vehicle to run in emergency mode.
Seek assistance from a specialist garage immediately.
Engine performance check (petrol engine)
Read and observe
on page 34 first.
If the indicator light
illuminates , there is a fault in the engine control. The
system allows the vehicle to run in emergency mode.
Seek assistance from a specialist garage immediately.
Security systems
Read and observe
on page 34 first.
Fault with airbag system
When the warning light
lights up and the following message appears in the
instrument cluster display, there is a fault with the airbag system.
Error: Airbag
AIRBAG ERROR
The functionality of the airbag system is monitored automatically even if one
of the airbags is switched off.
The front passenger airbag has been disabled with the key switch
› The indicator light
illuminates for around 4 seconds after the ignition has
been switched on.
› The warning light
in the display
in the middle of the
dash panel lights up after switching on the ignition » page 21.
One of the airbags or a belt tensioner has been disabled by the diagnostic tool
› The warning
illuminates for approx. 4 seconds after switching on the igni-
tion and then flashes again for approx. 12 seconds.
› The following message is shown in the information cluster display.
Airbag/ belt tensioner deactivated.
AIRBAG/ BELT TENSIONER OFF
ProActive passenger protection
When the warning light
lights up and the following message appears in the
instrument cluster display, there is a fault with the airbag system. Seek assis-
tance from a specialist garage immediately.
Proactive passenger protection not available.
PROACTIVE PASSENGER PROTECT NOT AVAIL
or Proactive passenger protection: funct. restricted.
LIMITED PROACTIVE PASSENGER PROTECT
38Using the system
NoteIn the event of an accident in which the airbags are deployed, the locked doors
are automatically unlocked in order to enable rescuers to gain access to the
vehicle.
Locking/unlocking using the key via the lock cylinder
Fig. 33
Left side of the vehicle: Turning
the key for unlocking and locking
the vehicle
Read and observe and on page 54 first.
The key allows you to unlock or lock the vehicle via the lock cylinder in the
driver's door » .
Unlocking/locking the vehicle with the key » Fig. 33
Unlocking the vehicle
Locking the vehicle
CAUTION
To unlock or lock the vehicle with the remote control key via the lock cylinder,
first remove the cap of the lock cylinder » page 225.
Unlocking/locking with the remote control key
Fig. 34
Remote control key
Read and observe and on page 54 first.
Function and description of the remote control key » Fig. 34
Unlocking the vehicle
Locking the vehicle
Unlocking/releasing the boot lid
Button for folding the key in/out
Warning light
Unlocking/releasing the boot lid
Briefly pressing the symbol key
unlocks the boot lid. After unlocking, the
boot lid can be opened by pushing the button in the handle located above the
number plate.
Pressing and holding the symbol key releases the boot lid (partially
opened).
If the boot lid is unlocked or released with the key symbol on the remote
control key, then the lid is automatically locked after closing.
You can set a lock delay » page 61.
CAUTION
■
The operation of the remote control may temporarily be affected by signal in-
terference from transmitters close to the car and which operate in the same
frequency range.■
Only operate the remote control when the doors and luggage compartment
lid are closed and the vehicle is in your line of sight.
■
The operating range of the remote control key is approx. 30 m. But this range
of the remote control can be reduced if the batteries are weak.
Note
For vehicles with the anti-theft alarm system, the acoustic signals can addi-
tionally also be enabled / disabled when unlocking / locking » Infotainment
manual , chapter Vehicle settings (key CAR) .AB55Unlocking and opening