GMC Terrain: Setting Adaptive Cruise Control / Weather Conditions Affecting ACC

GMC Terrain 2018-2026 Owners Manual / Driving and Operating / Cruise Control / Setting Adaptive Cruise Control / Weather Conditions Affecting ACC

If the interior temperature is extremely high, the instrument cluster may indicate that ACC is temporarily unavailable. This can be caused by extreme hot weather conditions with direct sunlight on the front camera. ACC will return to normal operation once the cabin temperature is lower.

Conditions that are associated with low visibility, such as fog, rain, snow, or road spray, may limit ACC performance. Water droplets from rain or snow that remain on the windshield may also limit ACC’s ability to detect objects.

Erasing Speed Memory

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Lighting Conditions Affecting ACC

The ACC front camera can be affected by poor lighting conditions, and ACC may have limited performance when: There are changes in brightness, such as entering and exiting tunnels, bridges, and overpasses...

Other information:

GMC Terrain 2018-2026 Owners Manual: Heated and Ventilated Front Seats

Warning If temperature change or pain to the skin cannot be felt, the seat heater may cause burns. To reduce the risk of burns, use care when using the seat heater, especially for long periods of time. Do not place anything on the seat that insulates against heat, such as a blanket, cushion, cover, or similar item...

GMC Terrain 2018-2026 Owners Manual: Windshield Replacement

Driver Assistance Systems If the windshield needs to be replaced and the vehicle is equipped with a front camera sensor for the Driver Assistance Systems, a GM replacement windshield is recommended. The replacement windshield must be installed according to GM specifications for proper alignment...

Tire Pressure Light

GMC Terrain. Tire Pressure Light

For vehicles with the Tire Pressure Monitor System (TPMS), this light comes on briefly when the engine is started. It provides information about tire pressures and the TPMS.