See also:

General maintenance
During the normal day-to-day operation of the vehicle, general maintenance should be performed regularly as prescribed in this section. If you detect any unusual sounds, vibrations or smells, ...

Reporting safety defects
For USA If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administratio ...

Hitch ball
Choose a hitch ball of the proper size and weight rating for your trailer: ● The required hitch ball size is stamped on most trailer couplers. Most hitch balls also have the size printed on ...