If you own a vehicle and drive on public roadways, it is your responsibility to keep whatever you drive in good operating condition so that everything works properly while driving. Failing to keep your car well-maintained can create problems on the road for both you and other drivers. Knowing what things on a vehicle need periodic maintenance and checking them regularly will help prevent accidents and keep both you and the rest of the driving public safer. 
How Often is Mechanical Failure the Cause of an Accident?
The precise number of car crashes that are caused by mechanical failure is not known because a detailed analysis of the vehicles is generally not done. The National Highway Traffic Safety Administration (NHTSA) did a survey over a several-year period back in the late 2000s. In those cases where mechanical failure was determined to have caused a crash, the NHTSA survey showed two mechanical problems that accounted for almost 58% of the accidents.
- Tire blowout
- Brake failure
Who is Responsible When a Mechanical Failure Causes an Accident?
- Vehicle owner – The owner of the vehicle is responsible for normal, routine maintenance as outlined in the owner’s manual. The owner is also responsible for taking care of any recalls on the vehicle.
- Auto shop that has serviced the vehicle – If the vehicle was serviced and the shop’s error caused the failure then the person who performed the work, as well as the shop owner, may be liable.
- Manufacturer of the vehicle – A car company or parts manufacturer can be liable if the mechanical failure is to a part of the vehicle that is not expected to fail.
Common Safety Issues to Check on Vehicle
It’s always a good idea to check the owner’s manual of any specific vehicle to know exactly what needs to be maintained and how often. The following are common to most vehicles and adopting a habit of regular inspection and maintenance will help minimize any problems due to mechanical failure.
- Tires – Tires should have good tread, proper inflation and alignment. Bald or worn tires can rupture. Improper inflation shifts the weight of the vehicle and changes the way the tires grip the road. Bad alignment can cause tires to wear out at different rates.
- Brakes – Signs that you need to get your brakes checked include a loud screech when you brake, vibration when braking, a burning smell, and noticing that your brakes are not as responsive.
- Steering/Suspension – There could be problems if the vehicle is bouncy going over bumps, pulls to one side, is lower to one side, or is difficult to steer.
- Headlights/taillights – Having head or tail lights out limits the ability for a driver to see road conditions properly and to be seen by other drivers. Vehicle lights are also important to communicate with other drivers.
- Windshield wipers – Change wiper blades when they don’t clean the windshield clearly and completely.
- Fluid levels – Fluids for the engine, transmission and radiator need to be checked periodically and kept at optimum levels so a vehicle operates efficiently and does not get damaged. Fluid should not be leaking under a vehicle.
- Warning lights – Don’t ignore them. Find out what they mean and get the problem taken care of as soon as possible.
- Belts/Hoses – Loud squeaking or grinding while driving is typical when belts are going bad. Visual inspection can detect signs of wear. Fluid leaks may be from worn hoses.
Proper vehicle maintenance is one of the responsibilities that come with the privilege of being able to drive on public roads. Drivers who do not keep their vehicles in good working condition risk not only their own safety but the safety of other drivers. When a preventable mechanical failure causes a crash, the car owner may be liable for the resulting property damage and injuries. Taking care of your car avoids common mechanical issues, improves driving performance, and prevents potential accidents.
