GMC Terrain: 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: Airbag System


    The vehicle has the following airbags: A frontal airbag for the driver A frontal airbag for the front outboard passenger A seat-mounted side impact airbag for the driver A seat-mounted side impact airbag for the front outboard passenger A roof-rail airbag for the driver and the passenger seated directly behind the driver A roof-rail airbag for the front outboard passenger and..

    GMC Terrain 2018-2026 Owners Manual: Steering


    Electric Power Steering The vehicle has electric power steering. It does not have power steering fluid. Regular maintenance is not required. If power steering assist is lost due to a system malfunction, the vehicle can be steered, but may require increased effort. If the steering assist is used for an extended period of time while the vehicle is not moving, power assist may be reduced. If..

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      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.

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