GMC Terrain: Warning Lights, Gauges, and Indicators / Diesel Exhaust Fluid (DEF) Warning Light

GMC Terrain 2018-2026 Owners Manual / Instruments and Controls / Warning Lights, Gauges, and Indicators / Diesel Exhaust Fluid (DEF) Warning Light

GMC Terrain. Diesel Exhaust Fluid (DEF) Warning Light

This light, a Driver Information Center (DIC) Message, and a chime come on when there is an issue with the DEF.

If the DEF issue has not been corrected, the light will continue to flash. The vehicle's speed may also be limited. See Diesel Exhaust Fluid.

Low Fuel Warning Light

For the base level cluster, this light comes on when the fuel tank is low on fuel. The light turns off when fuel is added. If it does not, have the vehicle serviced...

The security light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced by your dealer. If the system is working normally, the indicator light turns off...

Other information:

GMC Terrain 2018-2026 Owners Manual: Folding Seatback

The front passenger seatback folds flat. Warning If you fold the seatback forward to carry longer objects, such as skis, be sure any such cargo is not near an airbag. In a crash, an inflating airbag might force that object toward a person. This could cause severe injury or even death...

GMC Terrain 2018-2026 Owners Manual: Power Seat Adjustment

Warning The power seats will work with the ignition off. Children could operate the power seats and be injured. Never leave children alone in the vehicle. To adjust a power seat, if equipped: Move the seat forward or rearward by sliding the control forward or rearward...

Vehicle Personalization

The following are all possible vehicle personalization features. Depending on the vehicle, some may not be available.

For System, Apps, and Personal features and functions, see “Settings” in the infotainment manual.

To access the vehicle personalization menu: