See also:

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

Vehicle Security
This vehicle has theft-deterrent features; however, they do not make it impossible to steal. ...

Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors remotely, ...