See also:

DOT (Department of Transportation)
DOT marked tires fulfill the requirements of the United States Department of Transportation. ...

Lowering the vehicle
WARNING Vehicles with a spare wheel with a collapsible spare wheel only: do not inflate the collapsible spare wheel until it has been mounted. Inflate the collapsible spare wheel using the ...

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 wo ...