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: Running Out of Fuel (Diesel)

Warning Diesel fuel is flammable. It could start a fire if something ignites it, and people could be burned. Do not let it get on hot engine parts, and keep matches or other ignition sources away. If the engine has stalled due to running out of fuel, add at least 7...

GMC Terrain 2018-2026 Owners Manual: Reducing Speed While Using Cruise Control

If the cruise control system is already activated: Press and hold –SET until the desired lower speed is reached, then release it. To slow down in small increments, briefly press –SET. For each press, the vehicle goes about 1 km/h (1 mph) slower...