» That the ball hitch is in the coupler. Ball hitch couplers vary according to trailer type, but regardless of type the ball hitch must be fully enclosed and the coupler must lock onto the ball.
» That you have the correct nose weight, which should be between 50 and 80 kg. Negative nose weight will make the vehicle/trailer combination dangerous.
» That the tow hitch safety cable is properly secured to the vehicle (the cable must not just be fixed to the hitch as it must work even if the hitch breaks). Not fitted to unbraked trailers.
» That electrical contacts are connected and all lamps and functions are working.
» That the trailer handbrake is fully released. Does not apply to unbraked trailers.
» That the load is secured.
» That the jockey wheel is fully retracted (where fitted).
» That rear-view mirrors are properly adjusted.