GMC Terrain: OnStar Additional Information - OnStar - GMC Terrain Owner's ManualGMC Terrain: OnStar Additional Information

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Transferring Service
Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has changed, ...

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Screensaver (type D audio)
If the following operations are not performed for more than 30 seconds while the audio is ON, the screensaver will be displayed. - Operate any button or dial - Shift the shift lever/select le ...

Sunroof
On vehicles with a sunroof, the switches used to operate it are on the headliner above the rearview mirror. The ignition must be in ON/ RUN or ACC/ACCESSORY, or in Retained Accessory Power (RAP) t ...

How To Use This Manual
Consult the Table of Contents to determine which section contains the information you desire. Since the specification of your vehicle depends on the items of equipment ordered, certain descriptio ...