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

GMC Terrain 2018-2024 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 2018-2024 Owners Manual: Car Wash Mode

This vehicle includes a Car Wash Mode that allows the vehicle to remain in N (Neutral) for use in automatic car washes. Car Wash Mode is not to be used for vehicle towing. If the vehicle needs to be towed, see Towing the Vehicle Caution The vehicle is not designed to stay in N (Neutral) for extended periods of time...

GMC Terrain 2018-2024 Owners Manual: If the Off Indicator Is Lit for an Adult-Sized Occupant

If a person of adult size is sitting in the front outboard passenger seat, but the OFF indicator is lit, it could be because that person is not sitting properly in the seat or that the child restraint locking feature is engaged. Use the following steps to allow the system to detect that person and enable the front outboard passenger frontal airbag: Turn the vehicle off...

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.