See also:

Trailer Towing Weights (Maximum Trailer Weight Ratings)
The following chart provides the maximum trailer weight ratings towable for your given drivetrain. ...

Automatic Transmission Ignition Interlock Systems
These systems prevent the key fob from being removed unless the shift lever is in PARK. They also prevent shifting out of PARK unless the ignition switch is in the ON/RUN position and the brake ...

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. ...