See also:

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 ...

To resume cruising speed at more than approximately 25 mph (40 km/h)
If any method other than the CRUISE ONOFF switch was used to cancel cruising speed and the system is still activated, the most recent set speed will automatically resume when the RES/+ switch is ...

Bulb wattage
...