OnStar Additional Information
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 i ...
Anti-theft Alarm System Messages
THEFT ATTEMPTED
This message displays if the vehicle
detects a tamper condition. ...
Languages
The vehicle supports English,
French (Canadian), and Spanish.
The default language is English.
To change the display language,
see Vehicle Personalization for more information. ...
