GMC Terrain: Vehicle Care

Conversions and Add-Ons

Add-On Electrical Equipment Warning The Data Link Connector (DLC) is used for vehicle service and Emission Inspection/Maintenance testing. See Malfunction Indicator Lamp (Check Engine Light)...

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..

Other information:

GMC Terrain 2018-2024 Owners Manual: Exterior Lighting


The exterior lamp control is on the instrument panel to the left of the steering column. There are four positions. : Turns the exterior lamps off and deactivates the AUTO mode. Turn to again to reactivate the AUTO mode. In Canada, the headlamps will automatically reactivate when the vehicle is shifted out of P (Park). : Turns the exterior lamps on and off automatically depending on o..

GMC Terrain 2018-2024 Owners Manual: Service


All vehicles have a label underhood that identifies the refrigerant used in the vehicle. The refrigerant system should only be serviced by trained and certified technicians. The air conditioning evaporator should never be repaired or replaced by one from a salvage vehicle. It should only be replaced by a new evaporator to ensure proper and safe operation. During service, all refrigerants..

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