Radiator
Vehicles with a diesel engine: do not cover the radiator, for example with a winter front or bug cover. Otherwise, the readings of the on-board-diagnostic system may be inaccurate. Some of these readings are required by law and must be accurate at all times.
See also:
Vanity mirror in the sun visor
Mirror light 1 only functions if the sun visor is clipped into retainer 2 and
mirror cover 5 has been folded up. ...
Tow-starting (emergency starting)
Vehicles with automatic transmission
must not be started by tow-starting. This
could otherwise damage the transmission. ...
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, press the ...