See also:

Setting a Value
1. Turn the Menu knob to change the current value of the setting. 2. Press SELECT to confirm the setting. ...

Following Distance
Stay at least twice as far behind the vehicle ahead as you would when driving the vehicle without a trailer. This can help to avoid situations that require heavy braking and sudden turns. ...

Radio Messages for XM™ Only
See XM Radio Messages later in this section for further detail. ...