GMC Terrain: Warning Lights, Gauges, and Indicators / Brake System Warning Light

The vehicle brake system consists of two hydraulic circuits. If one circuit is not working, the remaining circuit can still work to stop the vehicle. For normal braking performance, both circuits need to be working

GMC Terrain. Brake System Warning Light

This light should come on briefly when the engine is started. If it does not come on then, have it fixed so it will be ready to warn you if there is a problem.

When the ignition is on, the brake system warning light comes on when the parking brake is set. The light stays on if the parking brake does not fully release. If it stays on after the parking brake is fully released, there is a brake problem. Have the brake system inspected immediately.

Warning

The brake system might not be working properly if the brake system warning light is on. Driving with the brake system warning light on can lead to a crash. If the light is still on after the vehicle has been pulled off the road and carefully stopped, have the vehicle towed for service.

If the light comes on while driving, a chime sounds. Pull off the road and stop. The pedal might be harder to push or go closer to the floor. It might also take longer to stop. If the light is still on, have the vehicle towed for service. See Towing the Vehicle.

    Emissions Inspection and Maintenance Programs

    If the vehicle requires an Emissions Inspection/Maintenance test, the test equipment will likely connect to the vehicle's Data Link Connector (DLC)...

    Electric Parking Brake Light and Service Electric Parking Brake Light

    Electric Parking Brake Light This light comes on when the parking brake is applied. If the light continues flashing after the parking brake is released, or while driving, there is a problem with the Electric Parking Brake system...

    Other information:

    GMC Terrain 2018-2024 Owners Manual: Notification to Resume ACC


    ACC will maintain a follow gap behind a detected vehicle and slow your vehicle to a stop behind that vehicle. If the stopped vehicle ahead has driven away and ACC has not resumed, the vehicle ahead indicator will flash as a reminder to check traffic ahead before proceeding...

    GMC Terrain 2018-2024 Owners Manual: New Vehicle Break-In


    Caution The vehicle does not need an elaborate break-in. But it will perform better in the long run if you follow these guidelines: Do not drive at any one constant speed, fast or slow, for the first 800 km (500 mi). Do not make full-throttle starts...

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