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

GMC Terrain 2018-2022 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 2018-2022 Owners Manual: Instrument Panel Fuse Block

The instrument panel fuse block is under the instrument panel on the driver side. To access the fuses, press and release the latch near the top center square. Apply pressure to the two retaining tabs on the sides of the cover, until the two retaining tabs clear the sides of the instrument panel...

GMC Terrain 2018-2022 Owners Manual: Lane Change Alert (LCA)

If equipped, the LCA system is a lane-changing aid that assists drivers with avoiding lane change crashes that occur with moving vehicles in the side blind zone (or spot) areas or with vehicles rapidly approaching these areas from behind. The LCA warning display will light up in the corresponding outside mirror and will flash if the turn signal is on...

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: