Jeep 2013 Grand Cherokee SRT8 Owner's Manual page 228

226 UNDERSTANDING THE FEATURES OF YOUR VEHICLE
Distance Setting 2 Distance Setting 1
To change the distance setting, press the Distance button
and release. Each time the button is pressed, the distance
setting adjusts between long, medium, and short.
If there is no vehicle ahead, the vehicle will maintain the
set speed. If a slower moving vehicle is detected in the