Problem
Possible causes/consequences and
M
M
Solutions
There is a fault with KEYLESS-GO.
X
Lock/unlock the vehicle using the remote control function of
the key.
X
Have the vehicle and key checked at a qualified specialist work-
shop.
If the vehicle can also not be locked/unlocked using the remote
control function:
X
Lock (
Y
page 91) or unlock (
Y
page 92) the vehicle using the
emergency key element.
X
Have the vehicle and key checked at a qualified specialist work-
shop.
The engine cannot be
started using the key.
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 engine again.
If this does not work:
X
Check the starter battery and charge it if necessary
(
Y
page 347).
or
X
Jump-start the vehicle (
Y
page 348).
or
X
Consult a qualified specialist workshop.
The engine cannot be
started using the Start/
Stop button. The key is
in the vehicle.
The vehicle is locked.
X
Unlock the vehicle and try to start the vehicle again.
The key battery is discharged or nearly discharged.
X
Check the key battery (
Y
page 86) and replace it if necessary
(
Y
page 86).
If this does not work:
X
Start your vehicle with the key in the ignition lock.
There is interference from a powerful source of radio waves.
X
Start your vehicle with the key in the ignition lock.
88
Key
Opening
and
closing
