GMC Terrain: Fuel Additives / Diesel

Gasoline

TOP TIER Detergent Gasoline is highly recommended for use with your vehicle. If your country does not have TOP TIER Detergent Gasoline, add ACDelco Fuel System Treatment Plus−Gasoline to the vehicle’s gasoline fuel tank at every oil change or 15,000 km (9,000 mi), whichever occurs first...

Fuel for Diesel Engines

The selection of a high-quality fuel is important for maintaining optimum vehicle performance. Diesel fuel should meet or exceed the minimum requirements in the most current versions of the local fuel standards Do not use fuel with more than 15 ppm sulfur...

Other information:

GMC Terrain 2018-2026 Owners Manual: Universal Remote System Programming

If equipped, these buttons are in the overhead console. This system can replace up to three remote control transmitters used to activate devices such as garage door openers, security systems, and home automation devices. These instructions refer to a garage door opener, but can be used for other devices...

GMC Terrain 2018-2026 Owners Manual: Rear Seat Belt Comfort Guides

Warning A seat belt that is not properly worn may not provide the protection needed in a crash. The person wearing the belt could be seriously injured. The shoulder belt should go over the shoulder and across the chest. These parts of the body are best able to take belt restraining forces...