GMC Terrain: Connected Services / Diagnostics

GMC Terrain 2018-2024 Owners Manual / Connected Services / Diagnostics

By monitoring and reporting on the vehicle's key systems, OnStar Advanced Diagnostics, if equipped, provides a way to keep up on maintenance. Capabilities vary by model. See www.onstar.com for details and system limitations. Features are subject to change. For updates on feature capabilities, see my.gmc.com. Message and data rates may apply.

    Connections

    The following services help with staying connected. For coverage maps, see www.onstar.com (U.S.) or www.onstar.ca (Canada). Ensuring Security Change the default passwords for the Wi-Fi hotspot and myGMC mobile application...

    Other information:

    GMC Terrain 2018-2024 Owners Manual: Wheel Replacement


    Replace any wheel that is bent, cracked, or badly rusted or corroded. If wheel nuts keep coming loose, the wheel, wheel bolts, and wheel nuts should be replaced. If the wheel leaks air, replace it. Some aluminum wheels can be repaired. See your dealer if any of these conditions exist...

    GMC Terrain 2018-2024 Owners Manual: Fuel for Diesel Engines


    The selection of a high-quality fuel is important for maintaining optimum vehicle performance. Diesel fuel should meet or exceed the minimum requirements in the most current versions of the local fuel standards Do not use fuel with more than 15 ppm sulfur...

      Categories

      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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