GMC Terrain: Diesel Exhaust Fluid / Exhaust Fluid Quality Poor

Use only exhaust fluid that is GM approved, or fluid containing the API certified or ISO 22241 label.

All DEF has an expiration date. If the system detects poor quality, or contaminated or diluted DEF, the DIC message EXHAUST FLUID QUALITY POOR - SEE OWNERS MANUAL NOW – 160 KM (99 MI) UNTIL 104 KM/H (65 MPH) MAX SPEED displays. The displayed mileage will decrease as driving continues. A warning light also comes on. Adding fresh DEF to the system may resolve the problem, depending on several factors. If the DIC message persists, see your dealer or additional DIC messages may display.

When the mileage countdown is zero, a DIC message EXHAUST FLUID QUALITY POOR - SEE OWNERS MANUAL NOW - TRANSITIONING TO 104 KM/H (65 MPH) MAX SPEED displays. A warning light and a chime also come on. Vehicle speed will be reduced to a maximum speed limit of 104 km/h (65 mph).

After the transition to 104 km/h (65 mph) is complete, the DIC message EXHAUST FLUID QUALITY POOR - SEE OWNERS MANUAL NOW - SPEED LIMITED TO 104 KM/H (65 MPH) – 120 KM (75 MI) UNTIL 88 KM/H (55 MPH) MAX SPEED displays. The displayed mileage will decrease as driving continues. A warning light and a chime also come on.

When the mileage countdown is zero, the DIC message EXHAUST FLUID QUALITY POOR - SEE OWNERS MANUAL NOW - TRANSITIONING TO 88 KM/H (55 MPH) MAX SPEED displays. A flashing warning light and a chime also come on. Vehicle speed will be reduced to a maximum speed limit of 88 km/h (55 mph).

After the transition to 88 km/h (55 mph) is complete, a DIC message EXHAUST FLUID QUALITY POOR - SEE OWNERS MANUAL NOW - SPEED LIMITED TO 88 KM/H (55 MPH) – 120 KM (75 MI) UNTIL 8 KM/H (5 MPH) MAX SPEED displays. The displayed mileage will decrease as driving continues. A flashing warning light and a chime also come on.

When the mileage countdown is zero, a DIC message EXHAUST FLUID QUALITY POOR - SEE OWNERS MANUAL NOW - TRANSITIONING TO 8 KM/H (5 MPH) MAX SPEED displays. A flashing warning light and a chime also come on. Vehicle speed will be reduced to a maximum speed limit of 8 km/h (5 mph).

After the transition to 8 km/h (5 mph) is complete, a DIC message EXHAUST FLUID QUALITY POOR - SEE OWNERS MANUAL NOW - SPEED LIMITED TO 8 KM/H (5 MPH) displays. A flashing warning light and a chime also come on.

    Exhaust Fluid Low

    A full DEF tank will last for several thousand kilometers (miles), depending on vehicle usage. As the exhaust fluid level drops, warnings will automatically be displayed in the DIC...

    Service Exhaust Fluid System

    If a problem occurs with the DEF system, the DIC message SERVICE EXHAUST FLUID SYSTEM - SEE OWNERS MANUAL NOW – 160 KM (99 MI) UNTIL 104 KM/H (65 MPH) MAX SPEED displays...

    Other information:

    GMC Terrain 2018-2022 Owners Manual: Driver Door Key Lock Cylinder Access (In Case of Dead Battery)


    To access the driver door key lock cylinder: Pull the door handle (1) to the open position and hold it open until cap removal is complete. Insert the key into the slot (3) on the bottom of the cap (2) and lift the key upward. Move the cap (2) rearward and remove...

    GMC Terrain 2018-2022 Owners Manual: Engine Compartment Overview


    1.5L Gas Engine Engine Air Cleaner/Filter. Engine Oil Fill Cap. See Engine Oil. Engine Oil Dipstick. See Engine Oil. Engine Cooling Fan. See Cooling System. Brake Fluid Reservoir. See Brake Fluid. Engine Compartment Fuse Block. Remote Positive (+) Terminal (Under Cover)...

      Categories

      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:

      Touch the Settings icon on the Home Page of the infotainment display. Touch Vehicle to display a list of available options. Touch to select the desired feature setting. Touch GMC Terrain. Vehicle Personalization or R to turn a feature off or on. Touch GMC Terrain. Vehicle Personalization to go to the top level of the Settings menu.

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