See also:

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

HSA Off
If you wish to turn off the HSA system, follow this procedure: 1. Start with the engine off and vehicle in PARK (automatic transmission) or NEUTRAL with clutch out (manual transmission) with wheels ...