GMC Terrain: Setting Adaptive Cruise Control / Accessory Installations and Vehicle Modifications
Do not install or place any object around the front camera windshield area that would obstruct the front camera view.
Do not install objects on top of the vehicle that overhang and obstruct the front camera, such as a canoe, kayak, or other items that can be transported on a roof rack system. See Roof Rack System.
Do not modify the hood, headlamps, or fog lamps, as this may limit the camera’s ability to detect an object.
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...
Cleaning the Sensing System
The camera sensor on the
windshield behind the rearview
mirror can become blocked by
snow, ice, dirt, mud, or debris. This
area needs to be cleaned for ACC
to operate properly...
Other information:
GMC Terrain 2018-2025 Owners Manual: Diesel Particulate Filter
The Diesel Particulate Filter (DPF) system filters soot particles out of the exhaust gases. The DPF is under the vehicle in the exhaust system. Depending on a number of factors monitored by the engine computer, the DPF will need to be cleaned of accumulated solids...
GMC Terrain 2018-2025 Owners Manual: General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: California Proposition 65 Warning Warning Most motor vehicles, including this one, as well as many of its service parts and fluids, contain and/or emit chemicals known to the State of California to cause cancer and birth..
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Vehicle Messages
Messages displayed on the DIC indicate the status of the vehicle or some action that may be needed to correct a condition. Multiple messages may appear one after another.
The messages that do not require immediate action can be acknowledged and cleared by pressing V. The messages that require immediate action cannot be cleared until that action is performed.