GMC Terrain: Setting Adaptive Cruise Control / Irregular Objects Affecting ACC

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

ACC may have difficulty detecting the following objects:

Vehicles in front of your vehicle that have a rear aspect that is low, small, or irregular
An empty truck or trailer that has no cargo in the cargo bed
Vehicles with cargo extending from the back end
Non-standard shaped vehicles, such as vehicle transport, vehicles with a side car fitted, or horse carriages
Vehicles that are low to the road surface
Objects that are close to the front of your vehicle
Vehicles on which extremely heavy cargo is loaded in the cargo area or rear seat

GMC Terrain. Irregular Objects Affecting ACC

Stationary or Very Slow-Moving Objects

Warning ACC may not detect and react to stopped or slow-moving vehicles ahead of you. For example, the system may not brake for a vehicle it has never detected moving...

ACC Automatically Disengages

ACC may automatically disengage and the driver will need to manually apply the brakes to slow the vehicle if: The front camera is blocked or visibility is reduced...

Other information:

GMC Terrain 2018-2026 Owners Manual: Tire Sidewall Labeling

Useful information about a tire is molded into its sidewall. The examples show a typical passenger vehicle tire and a compact spare tire sidewall. Passenger (P-Metric) Tire Example Tire Size : The tire size is a combination of letters and numbers used to define a particular tire's width, height, aspect ratio, construction type, and service description...

GMC Terrain 2018-2026 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...

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.