GMC Terrain: Fuel / Fuels in Foreign Countries

Prohibited Fuels (Gasoline)

Caution Do not use fuels with any of the following conditions; doing so may damage the vehicle and void its warranty: For vehicles that are not FlexFuel, fuel labeled greater than 15% ethanol by volume, such as mid-level ethanol blends (16–50% ethanol), E85, or FlexFuel...

Fuel Additives

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Other information:

GMC Terrain 2018-2026 Owners Manual: Rear Window Wiper/Washer

The ignition must be on or in the ACC/ACCESSORY position to operate the rear window wiper/ washer. Turn the end of the windshield wiper lever to operate the rear window wiper/washer. OFF : Turns the system off. INT : Intermittent wipes. ON : Slow wipes. : Push the windshield wiper lever forward to spray washer fluid on the rear window. The lever automatically returns to its original pos..

GMC Terrain 2018-2026 Owners Manual: Lockout Protection

If the ignition is on or in ACC/ ACCESSORY and the power door lock switch is pressed with the driver door open, all the doors will lock and only the driver door will unlock. If the vehicle is off and locking is requested while a door is open, when all doors are closed the vehicle will check for RKE transmitters inside. If an RKE transmitter is detected and the number of RKE transmitters..