See also:

Resetting the side windows
You must reset each side window if a side window can no longer be closed fully. Close all the doors. Turn the SmartKey to position 1 or 2 in the ignition lock. Pull the corresponding switch ...

Checklist before driving off-road
– Engine oil level: check the engine oil and add oil if necessary. When driving on steep gradients, the oil level must be sufficiently high to ensure a correct oil supply in the vehicle. – DEF ...

Additives
Do not use any additives in the engine oil. This could damage the engine. ...