GMC Terrain: Starting and Operating / Retained Accessory Power (RAP)
GMC Terrain 2018-2026 Owners Manual / Driving and Operating / Starting and Operating / Retained Accessory Power (RAP)
Some vehicle accessories may be used after the ignition is turned off. The power windows and sunroof, if equipped, will continue to work for up to 10 minutes or until any door is opened.
The infotainment system will continue to work for 10 minutes, until the driver door is opened, or until the ignition is turned on or placed in ACC/ACCESSORY.
Engine Heater
Warning
Do not plug in the engine block
heater while the vehicle is parked
in a garage or under a carport.
Property damage or personal
injury may result...
Shifting Into Park
Warning
It can be dangerous to get out of
the vehicle if the vehicle is not in
P (Park) with the parking brake
set. The vehicle can roll. If you
have left the engine running, the
vehicle can move suddenly...
Other information:
GMC Terrain 2018-2026 Owners Manual: Tire Pressure
Tires need the correct amount of air pressure to operate effectively. Warning Neither tire underinflation nor overinflation is good. Underinflated tires, or tires that do not have enough air, can result in: Tire overloading and overheating which could lead to a blowout...
GMC Terrain 2018-2026 Owners Manual: Compact Spare Tire
Warning Driving with more than one compact spare tire at a time could result in loss of braking and handling. This could lead to a crash and you or others could be injured. Use only one compact spare tire at a time. If this vehicle has a compact spare tire, it was fully inflated when new; however, it can lose air over time...
Copyright © 2026 www.gmcterrain2.com