GMC Terrain: Setting Adaptive Cruise Control / Other Vehicle Lane Changes

Curves in the Road

Warning On curves, ACC may not detect a vehicle ahead in your lane. You could be startled if the vehicle accelerates up to the set speed, especially when following a vehicle exiting or entering exit ramps...

Objects Not Directly in Front of Your Vehicle

The detection of objects in front of the vehicle may not be possible if: The vehicle or object ahead is not within your lane. The vehicle ahead is shifted, not centered, or is shifted to one side of the lane...

Other information:

GMC Terrain 2018-2024 Owners Manual: Service Exhaust Fluid System

If a problem occurs with the DEF system, the DIC message SERVICE EXHAUST FLUID SYSTEM - SEE OWNERS MANUAL NOW – 160 KM (99 MI) UNTIL 104 KM/H (65 MPH) MAX SPEED displays. The displayed mileage will decrease as driving continues. A warning light also comes on...

GMC Terrain 2018-2024 Owners Manual: Reporting Safety Defects to General Motors

In addition to notifying NHTSA (or Transport Canada) in a situation like this, notify General Motors. In the U.S., call 1-800-GMC-8782 (1-800-462-8782), or write: GMC Customer Assistance Center P.O. Box 33172 Detroit, MI 48232-5172 In Canada, call 1-800-263-3777 (English) or 1-800-263-7854 (French), or write: General Motors of Canada Company Customer Care Centre, Mail Code: CA1-163-005 1908 C..