Locking and unlocking centrally
The SmartKey centrally locks/unlocks:
• the doors
• the trunk lid
• the fuel filler flap
1 
Locks the vehicle
2 
Unlocks the trunk lid
3 
Unlocks the vehicle
When unlocking, the turn signals flash once.
When locking, they flash three times.
When it is dark, the surround lighting also comes on if it is activated in the on-board computer.
If you activate the acoustic locking
confirmation function, you will hear the
following, depending on the date of
production of the vehicle:
• an acoustic signal when locking
or
• one acoustic signal when unlocking and three when locking.
The audible signal can be activated and deactivated using the on-board computer.
To unlock centrally:
press the
button.
If you do not open the vehicle within approximately 40 seconds of
unlocking:
• the vehicle is locked again.
• the theft deterrent locking system is armed again.
To lock centrally: press
the button.
See also:
Before changing a fuse
Park the vehicle and apply the parking brake.
Switch off all electrical consumers.
Remove the SmartKey from the ignition lock.
The fuses are located in various fuse boxes:
fuse box on th ...
Restoring the factory settings
Press the and
buttons simultaneously for approximately
six seconds until the battery check lamp flashes twice.
...
Checking the coolant level
Only check the coolant level when the vehicle
is on a level surface and the engine has cooled
down.
► Turn the SmartKey to position
2 in the ignition lock.
On vehicles with KEYLESS-GO, ...