See also:

Gross Trailer Weight (GTW)
The GTW is the weight of the trailer plus the weight of all cargo, consumables and equipment (permanent or temporary) loaded in or on the trailer in its loaded and ready for operation condition. ...

Parking Brake
Before leaving the vehicle, make sure that the parking brake is fully applied. Also, be certain to leave the transmission in PARK. The parking brake lever is located in the center console. To ap ...

Lights
Have someone observe the operation of exterior lights while you work the controls. Check turn signal and high beam indicator lights on the instrument panel. ...