See also:

Radiator
Vehicles with a diesel engine: do not cover the radiator, for example with a winter front or bug cover. The readings of the on-board-diagnostic system may otherwise be inaccurate. Some of ...

Driving with summer tires
Observe the notes in the "Winter operation" section. ...

Displaying the coolant temperature
WARNING   Driving when your engine is overheated can cause some fluids which may have leaked into the engine compartment to catch fire. You could be seriously burned. Steam from an over ...