GMC Terrain: Rear Cross Traffic Alert (RCTA) / Turning the Features On or Off
GMC Terrain 2018-2022 Owners Manual / Driving and Operating / Driver Assistance Systems / Rear Cross Traffic Alert (RCTA) / Turning the Features On or Off
The 
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 2018-2022 Owners Manual: Battery - North America
The original equipment battery is maintenance free. Do not remove the cap and do not add fluid. Refer to the replacement number shown on the original battery label when a new battery is needed. See Engine Compartment Overview for battery location...
GMC Terrain 2018-2022 Owners Manual: Tire Pressure Monitor System
The Tire Pressure Monitor System (TPMS) uses radio and sensor technology to check tire pressure levels. The TPMS sensors monitor the air pressure in your tires and transmit tire pressure readings to a receiver located in the vehicle. Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufact..
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