See also:

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 to ...

Hazard warning flasher switch
Push the switch on to warn other drivers when you must stop or park under emergency conditions. All turn signal lights flash. WARNING ● If stopping for an emergency, be sure to move the v ...

Reporting safety defects (US only)
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 Administration (NHTSA) ...