Raise the support wheel all the way up before driving.
If the trailer has brakes, do not forget to release the brake before driving.
Think about adjusting the driving style, as the vehicle becomes much longer with a trailer attached.
Keep track of the load weight, do not overload the trailer.
When leaving the trailer, ensure to lock it.
Make sure that the trailer breakaway cable is not too long and therefore gets dragged against the ground.
Make sure that the coupler har clicked firmly into place in the towbar.
Check that the power cord works properly so that turn signals and brake lights work as they should.