Operation Manual

Problem
Possible causes/consequences and MM Solutions
KEYLESS-GO is malfunctioning.
X
Lock/unlock the vehicle using the remote control function of
the SmartKey.
X
Have the vehicle and SmartKey checked at a qualified specialist
workshop.
If the vehicle can also not be locked/unlocked using the remote
control function:
X
Unlock (Y page 80) or lock (Y page 81) the vehicle using the
mechanical key.
X
Have the vehicle and SmartKey checked at a qualified specialist
workshop.
The drive system can-
not be started using the
SmartKey.
The on-board voltage is too low.
X
Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the drive system again.
If this does not work:
X
Check the 12 V battery and charge it if necessary (Y page 287).
or
X
Check the high-voltage battery and charge it if necessary
(Y page 141).
or
X
Jump-start the vehicle (Y page 290).
or
X
Consult a qualified specialist workshop.
The drive system can-
not be started using the
Start/Stop button. The
SmartKey is in the vehi-
cle.
The vehicle is locked.
X
Unlock the vehicle and try to start the vehicle again.
The SmartKey battery is discharged or nearly discharged.
X
Check the SmartKey battery (Y page 75) and replace it if nec-
essary (Y page 75).
If this does not work:
X
Start your vehicle with the SmartKey in the ignition lock.
There is interference from a powerful source of radio waves.
X
Start your vehicle with the SmartKey in the ignition lock.
78
SmartKey
Opening and closing