See also:

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

Kickdown
Use kickdown for maximum acceleration. - Vehicles for USA: fully depress the accelerator pedal. The transmission shifts to a lower gear depending on the engine speed. - Vehicles for Canada: dep ...

Cleaning the paintwork
Scratches, corrosive deposits, areas affected by corrosion and damage caused by inadequate care cannot always be completely repaired. In such cases, visit a qualified specialist workshop, e.g. ...