Vehicle and Power Issues :: OnStar Additional Information :: OnStar :: GMC Sierra Owners Manuals :: GMC Sierra | GMCia.com

Vehicle and Power Issues

GMC Sierra / GMC Sierra Owners Manuals / OnStar / OnStar Additional Information / Vehicle and Power Issues

OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.

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Replacing Safety Belt System Parts after a Crash
WARNING A crash can damage the safety belt system in the vehicle. A damaged safety belt system may not properly protect the person using it, resulting in serious injury or even death in a crash. ...

Brake System Messages
BRAKE FLUID LOW This message is displayed when the brake fluid level is low; see Brake Fluid on page 10‑24. RELEASE PARKING BRAKE This message is displayed as a reminder that the parking br ...

Confident and agile driving experience
Two new engines are offered on all GMC Terrain models, each with fuel-saving direct injection and variable valve timing technology. Vehicle highlights include: New 3.0L DOHC direct injected V-6 ...