See also:

What Makes an Airbag Inflate?
In a deployment event, the sensing system sends an electrical signal triggering a release of gas from the inflator. Gas from the inflator fills the airbag causing the bag to break out of the cov ...

Safety
Side-impact airbags and antilock brakes are available. ...

Tachometer
The tachometer displays the engine speed in revolutions per minute (rpm). ...