GMC Terrain: Seats and Restraints / Front Seats

Head Restraints

The vehicle’s front seats have adjustable head restraints in the outboard seating positions. Warning With head restraints that are not installed and adjusted properly, there is a greater chance that occupants will suffer a neck/spinal injury in a crash...

Seat Adjustment

Warning You can lose control of the vehicle if you try to adjust a driver seat while the vehicle is moving. Adjust the driver seat only when the vehicle is not moving...

Other information:

GMC Terrain 2018-2025 Owners Manual: Checking Coolant

The vehicle must be on a level surface when checking the coolant level. Check to see if coolant is visible in the coolant surge tank. If the coolant inside the coolant surge tank is boiling, do not do anything else until it cools down. If coolant is visible but the coolant level mark is not visible, add a 50/50 mixture of clean, drinkable water and DEX-COOL coolant at the coolant surge..

GMC Terrain 2018-2025 Owners Manual: Info Page Options

The info pages on the DIC can be turned on or off through the Options menu. Press or to scroll to the Options application. Press or to scroll to the Info Page Options and press . Press or to move through the list of possible information displays. Press while an item is highlighted to select or deselect that item. When an item is selected, a checkmark will appear ..