GMC Terrain: Conversions and Add-Ons
Add-On Electrical Equipment
Notice: Do not add anything electrical to the vehicle unless you check with your dealer first. Some electrical equipment can damage the vehicle and the damage would not be covered by the vehicle's warranty. Some add-on electrical equipment can keep other components from working as they should. 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 on page 3‑32 and Adding Equipment to the Airbag-Equipped Vehicle on page 3‑33.
See also:
MyKey
The MyKey feature allows you to program a restricted driving mode to
promote good driving habits. All but one of the keys programmed to the
vehicle can be activated as a MyKey . The key will remain restricted
until MyKey is cleared. Any remaining ...
Starting the engine
[For vehicles equipped with the keyless operation system]. For information on
operations for vehicles equipped with the keyless operation system, refer to “Keyless
operation system: Starting” on page 1-23, 1-30. [Except for vehicles equipped ...

Towing