Speedometer
The speedometer shows the vehicle's speed in either kilometers per hour (km/h) or miles per hour (mph).
See also:
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays when the vehicle's engine power is reduced.
Reduced engine power can affect the vehicle's ability to accelerate.
If this message is on, but there ...
OnStar Personal Identification
Number (PIN)
A PIN is needed to access some of
the OnStar services, like Remote
Door Unlock and Stolen Vehicle
Assistance. You will be prompted
to change the PIN the first time
when speaking with an Advi ...
Central Door Unlocking System
The vehicle has a central door
unlocking feature. When unlocking
the driver door, the other doors can
be unlocked by holding the key in
the turned position for a few
seconds or by quickly tu ...






