See also:

Checking Condenser Cooling Fan
The condenser cooling fan should come on automatically whenever the air conditioner is in operation. ...

TACHOMETER
The tachometer registers the speed of your engine in revolutions per minute (rpm). CAUTION: The engine should not be increased to such a speed that the needle enters the red zone on the tachomet ...

When to Wax Again
You should polish and wax the car again when water no longer beads on a clean surface but spreads out over a larger area. ...