GMC Terrain: Setting Adaptive Cruise Control / Erasing Speed Memory

Disengaging ACC

T..

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...

Other information:

GMC Terrain 2018-2024 Owners Manual: Rear Cross Traffic Alert (RCTA)

If equipped, when the vehicle is shifted into R (Reverse), RCTA displays a red warning triangle with a left or right pointing arrow to warn of traffic coming from the left or right. This system detects objects coming from up to 20m (65 ft) from the left or right side of the vehicle...

GMC Terrain 2018-2024 Owners Manual: Stop/Start System

If equipped, the Stop/Start system will shut off the engine to help conserve fuel. It has components designed for the increased number of starts. Warning The automatic engine Stop/Start feature causes the engine to shut off while the vehicle is still on...