GMC Terrain: Connected Services

OnStar Additional Information

In-Vehicle Audio Messages Audio messages may play important information at the following times: Prior to vehicle purchase. Press to set up an account...

Navigation

Navigation requires a specific OnStar or connected service plan. Press to receive Turn-by-Turn directions or have them sent to the vehicle’s navigation screen, if equipped...

Other information:

GMC Terrain 2018-2026 Owners Manual: What Will You See after an Airbag Inflates?

After frontal and seat-mounted side impact airbags inflate, they quickly deflate, so quickly that some people may not even realize the airbags inflated. Roof-rail airbags may still be at least partially inflated for some time after they inflate...

GMC Terrain 2018-2026 Owners Manual: Lighting Conditions Affecting ACC

The ACC front camera can be affected by poor lighting conditions, and ACC may have limited performance when: There are changes in brightness, such as entering and exiting tunnels, bridges, and overpasses. Low sun angles cause the camera to not detect objects, or it is more difficult to detect objects in the same traffic lane...