See also:

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 heavy braking and sudden turns. ...

Using Universal Remote
Press and hold the appropriate Universal Remote button for at least half of a second. The indicator light will come on while the signal is being transmitted. ...

Cleaning the Video Screen
Use only a clean cloth dampened with clean water. Use care when touching or cleaning the screen as damage could result. ...