GMC Terrain Quiz
Driving and Operation

Non-Standard Objects Affecting ACC

In this manual: Driving and Operation
Introduction — 1In Brief — 46Keys, Doors and Windows — 37Seats and Restraints — 60Storage — 6Instruments and Controls — 58Lighting — 16Infotainment System — 1Climate Control — 8Driving and Operation — 128Vehicle Care — 75Service and Maintenance — 8Technical Data — 5Customer Information — 18OnStar — 6Connected Services — 4
~1min read

ACC may have difficulty detecting the following objects:

  • Vehicles ahead of your vehicle that have a rear profile that is low, small, or irregular
  • An empty truck or trailer with no cargo in the bed
  • Vehicles with cargo extending from the rear end
  • Non-standard shaped vehicles, such as motorcycles, vehicles with a side-mounted trailer, or horse-drawn carriages
  • Vehicles that are riding low over the road surface
  • Objects located near the front of your vehicle
  • Vehicles with extremely heavy cargo loaded in the cargo area or rear seat
GMC Terrain. Irregular Objects Affecting ACC

Test yourself

A quick GMC Terrain quiz: every answer comes with an explanation and a link to the manual page.