GMC Terrain: Lighting

Universal Remote System Operation

Using the Universal Remote System Press and hold the appropriate Universal Remote system button for at least one-half second. The indicator light will come on while the signal is being transmitted...

Exterior Lighting

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Other information:

GMC Terrain 2018-2026 Owners Manual: Curves in the Road

Warning On curves, ACC may not detect a vehicle ahead in your lane. You could be startled if the vehicle accelerates up to the set speed, especially when following a vehicle exiting or entering exit ramps. You could lose control of the vehicle or crash. Do not use ACC while driving on an entrance or exit ramp. Always be ready to use the brakes if necessary. Warning On curves, ACC may res..

GMC Terrain 2018-2026 Owners Manual: Malfunction Indicator Lamp (Check Engine Light)

This light is part of the vehicle’s emission control on-board diagnostic system. If this light is on while the engine is running, a malfunction has been detected and the vehicle may require service. The light should come on to show that it is working when the ignition is in Service Mode. See Ignition Positions. This light may also come on when the system has detected a problem with th..