See also:

Power washers
WARNING   Do not use power washers with circular-jet nozzles (dirt grinders) to clean your vehicle, in particular the tires. You could otherwise damage the tires and cause an accident. ...

General notes
WARNING Vehicles with HYBRID: ensure that you read the "HYBRID" supplement. You may otherwise fail to recognize dangers. WARNING Making alterations to electronic components can ...

Purity
Assuring the purity of DEF is particularly important with respect to avoiding malfunctions in the exhaust gas aftertreatment system. If DEF is pumped out of the DEF tank, e.g. during repair wor ...