GMC Terrain: Warning Lights, Gauges, and Indicators / Wait-to-Start Light

GMC Terrain. Wait-to-Start Light

For diesel engines, the wait-to-start light shows that the engine is functioning properly and indicates when the engine can be started.

The fast warm-up glow plug system makes the wait-to-start light stay on for a shorter amount of time than most diesel engines.

For more information, see Starting the Engine.

    Traction Control System (TCS)/StabiliTrak Light

    This light comes on briefly when the engine is started. If the light does not come on, have the vehicle serviced by your dealer. If the system is working normally, the indicator light turns off...

    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...

    Other information:

    GMC Terrain 2018-2025 Owners Manual: Checking Coolant


    The vehicle must be on a level surface when checking the coolant level. Check to see if coolant is visible in the coolant surge tank. If the coolant inside the coolant surge tank is boiling, do not do anything else until it cools down. If coolant is visible but the coolant level mark is not visible, add a 50/50 mixture of clean, drinkable water and DEX-COOL coolant at the coolant surge..

    GMC Terrain 2018-2025 Owners Manual: Additional Factors Affecting System Operation


    Seat belts help keep the passenger in position on the seat during vehicle maneuvers and braking, which helps the passenger sensing system maintain the passenger airbag status. See “Seat Belts” and “Child Restraints” in the Index for additional information about the importance of proper restraint use. A thick layer of additional material, such as a blanket or cushion, or aftermark..

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