Speedometer
The speedometer shows the vehicle speed in both kilometers per hour (km/h) and miles per hour (mph).
See also:
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays when the
engine power is being reduced to
protect the engine from damage.
There could be several malfunctions
that might cause this message.
Redu ...
Engine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use
and displays the CHANGE ENGINE OIL SOON message when it is time to change the
engine oil and filter.
The oil life system ...
OnStar Mobile App
With an iPhone® or
Android™-based mobile device,
an OnStar mobile app can be
downloaded. The vehicle can be
remote started, if equipped, or the
doors can be unlocked from
anywhere there is ...






