GMC Terrain: Rear Cross Traffic Alert (RCTA) / Turning the Features On or Off

GMC Terrain 2018-2026 Owners Manual / Driving and Operating / Driver Assistance Systems / Rear Cross Traffic Alert (RCTA) / Turning the Features On or Off

The GMC Terrain. Turning the Features On or Off button on the center console is used to turn on or off the Front and Rear Park Assist and the Rear Cross Traffic Alert (RCTA). The indicator light in the button comes on when the features are on and turns off when the features have been disabled.

Turn off Park Assist and RCTA when towing a trailer.

RCTA can be turned off through “Collision/Detection Systems” under Vehicle Personalization.

Rear Cross Traffic Alert (RCTA)

If equipped, when the vehicle is shifted into R (Reverse), RCTA displays a red warning triangle with a left or right pointing arrow to warn of traffic coming from the left or right...

Automatic Parking Assist (APA)

If equipped, APA searches for and steers the vehicle into parallel and perpendicular parking spots. When using APA, you must still shift gears, and control the brakes and accelerator...

Other information:

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...

GMC Terrain 2018-2026 Owners Manual: Tire Chains

Warning Do not use tire chains. There is not enough clearance. Tire chains used on a vehicle without the proper amount of clearance can cause damage to the brakes, suspension, or other vehicle parts. The area damaged by the tire chains could cause loss of control and a crash...