See also:

Important safety notes
If a tire pressure monitor system is installed, the vehicle's wheels have sensors that monitor the tire pressures in all four tires. The tire pressure monitor warns you when the pressure drops ...

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. ...

Washing by hand
In some countries, washing by hand is only allowed at specially equipped washing bays. Observe the legal requirements in all countries concerned.   Do not use hot water and do not wash the ...