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 2018-2022 Owners Manual: Traction Control/Electronic Stability Control. System Operation


System Operation The vehicle has a Traction Control System (TCS) and StabiliTrak/ Electronic Stability Control (ESC), an electronic stability control system. These systems help limit wheel slip and assist the driver in maintaining control, especially on slippery road conditions. TCS activates if it senses that any of the drive wheels are spinning or beginning to lose traction. When this ..

GMC Terrain 2018-2022 Owners Manual: Hill Descent Control (HDC)


HDC can be used when driving downhill. It sets and maintains vehicle speed while descending a very steep incline in a forward or reverse gear. The HDC switch is on the center console. Press to enable or disable HDC. Vehicle speed must be below 50 km/h (31 mph). The HDC light displays on the instrument cluster when enabled. HDC can maintain vehicle speeds between 3 and 22 km/h (2 and 14..

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