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 2018-2024 Owners Manual: Safety Locks


    The rear door safety locks prevent passengers from opening the rear doors from inside the vehicle. Manual Safety Locks If equipped, the safety lock is on the inside edge of the rear doors. To use the safety lock: Move the lever down to the lock position...

    GMC Terrain 2018-2024 Owners Manual: Manual Liftgate


    To unlock the liftgate, press on the power door lock switch or press on the Remote Keyless Entry (RKE) transmitter twice within five seconds. See Remote Keyless Entry (RKE) System Operation. To open the liftgate, press the touch pad on the bottom of the liftgate and lift up...

      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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