See also:

If your vehicle overheats
If your vehicle is overheating (indicated by an extremely high temperature gauge reading) or if you feel a lack of engine power, detect abnormal noise, etc., take the following steps. WARNING: ...

Small children
Children that are over 1 year old and weigh at least 20 lbs (9 kg) should remain in a rear-facing child restraint as long as possible up to the height or weight limit of the child restraint. Forwar ...

Tachometer
The tachometer indicates engine speed in revolutions per minute (RPM). Do not rev the engine into the red zone 1 . When engine speed approaches the red zone, shift to a higher gear or red ...