GMC 2010 Yukon/Yukon XL Owner's Manual page 207

Vehicles With Navigation System
The rear vision camera system is designed to help
the driver when backing up by displaying a view of the
area behind the vehicle. When the driver shifts the
vehicle into R (Reverse), the video image automatically
appears on the navigation screen. Once the driver shifts
out of R (Reverse), the navigation screen will go back to
the last screen that had been displayed, after a delay.
Turning the Rear Vision Camera System
On or Off
To turn the rear vision camera system on or off:
1. Shift into P (Park).
2. Press the MENU button to enter the configure
menu options, then press the MENU hard key to
select Display or touch the Display screen button.
3. Select the Rear Camera Options screen button.
The Rear Camera Options screen will display.
4. Select the Video screen button. When the Video
screen button is highlighted the RVC system is on.
The delay that is received after shifting out of
R (Reverse) is approximately 10 seconds. The delay
can be cancelled by performing one of the following:
Pressing a hard key on the navigation system.
Shifting in to P (Park).
Reach a vehicle speed of 5 mph (8 km/h).
There is a message on the rear vision camera screen
that states Check Surroundings for Safety .
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