GMC Terrain: Warning Lights, Gauges, and Indicators / Vehicle Ahead Indicator and Pedestrian Ahead Indicator

Hill Descent Control Light and Lane Keep Assist (LKA) Light

Hill Descent Control Light If equipped, the Hill Descent Control light comes on when the system is ready for use. When the light flashes, the system is active...

Traction Off Light

This light comes on briefly while starting the engine. If it does not, have the vehicle serviced by your dealer. If the system is working normally, the indicator light then turns off...

Other information:

GMC Terrain 2018-2026 Owners Manual: Charging System Light

The charging system light comes on briefly when the ignition is turned on, but the engine is not running, as a check to show the light is working. The light turns off when the engine is started. If it does not, have the vehicle serviced by your dealer...

GMC Terrain 2018-2026 Owners Manual: Increasing Speed While ACC Is at a Set Speed

If ACC is already activated, do one of the following: Use the accelerator to get to the higher speed. Press SET–. Release SET– and the accelerator pedal. The vehicle will now cruise at the higher speed.When the accelerator pedal is pressed, ACC will not brake because it is overridden...