GMC Terrain: Rear Cross Traffic Alert (RCTA) / Turning the Features On or Off
GMC Terrain 2018-2023 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 2018-2023 Owners Manual: If the On Indicator Is Lit for a Child Restraint
The passenger sensing system is designed to turn off the front outboard passenger frontal airbag if the system determines that an infant is present in a child restraint. If a child restraint has been installed and the ON indicator is lit: Turn the vehicle off...
GMC Terrain 2018-2023 Owners Manual: Entry/Exit lighting
Entry Lighting Some exterior lamps and interior lamps turn on briefly at night, or in areas with limited lighting, when is pressed on the Remote Keyless Entry (RKE) transmitter. When a door is opened, the interior lamps come on. They stay on for about 20 seconds...
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