GMC Terrain 2020 Owner's Manual page 213

GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-MidEast-
13556232) - 2020 - CRC - 5/13/19
Caution
Some electrical equipment can
damage the vehicle or cause
components to not work and
would not be covered by the
vehicle warranty. Always check
with your dealer before adding
electrical equipment.
Add-on equipment can drain the
vehicle's 12-volt battery, even if the
vehicle is not operating.
The vehicle has an airbag system.
Before attempting to add anything
electrical to the vehicle, see
Servicing the Airbag-Equipped
Vehicle 0 65 and
Adding Equipment to the
Airbag-Equipped Vehicle 0 65.
Driving and Operating 213