GMC Terrain: OnStar Additional Information
- Transferring Service
- Reactivation for Subsequent Owners
- How OnStar Service Works
- Services for People with Disabilities
Instrument Panel Dimmer
Rotate the center portion of the lever to the extreme bottom position to fully dim the instrument panel lights and prevent the interior lights from illuminating when a door is opened. Rotate th ...
Service The Parksense Rear Park Assist System
When the ParkSense Rear Park Assist System is malfunctioning, the instrument cluster will actuate a single chime, once per ignition cycle, and it will display the вЂњSERVICE PARK ASSIST SYSTEMвЂ ...
Fuel Economy Mode
Vehicles with a 2.4L engine have a Fuel Economy Mode. When engaged, fuel economy mode can improve the vehicle's fuel economy. Press the вЂњecoвЂќ (economy) button by the shift lever to turn t ...