MOT test
During the MOT test, your towbar construction is checked as well. Your towbar ball should not be too worn and the locking mechanism should function properly for a detachable towbar. In addition, three important requirements are checked.
Type test
The towbar has to have a type test. This is listed on the type plate of your towbar. If the type plate is missing, you may only tow a trailer that weighs less than 750 kg, load included. In addition, your trailer including load should not weigh more than the total weight of the towing car.
Indicators
When towing a trailer, your car should have indicators on the side