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 While it is fun to buy a car that looks and feels great to drive, you might also want to consider taking a look at the safety features of the car just to make sure the one you're thinking about buying will protect you too. Let's face it, even if you're the most experienced driver on the road, accidents can and do happen. So you might want to consider an automobile that not only looks good but also has the features it takes to keep you safe behind the wheel.
Evaluating a Car for Safety
Many automobile manufacturers realize that customers will reward then with their loyalty if they provide them with cars that meet or exceed Federal safety standards. But as a consumer, how can you determine if a car offers you that extra cushion of safety?
Perhaps the two key considerations or questions you might want to ask yourself include:
- What safety features does this car have that will help me avoid an accident in the first place?
- How does this vehicle protect me in the event of a crash?
Automobile Safety Features
In the following sections, we are going to share with you some of the most important safety features offered in today's cars. This list is derived from information published by the National Highway Traffic Safety Administration or NHTSA, which is an agency of the Department of Transportation.
Anti Lock Brakes or ABS
The primary purpose of anti-lock brakes is to prevent a car's wheels from locking during panic braking. By allowing the car to slow in a more controlled manner, the driver can often maintain better steering control and avoid an accident. There is a bit of physics behind ABS design too. But let's avoid the discussion of static friction and summarize this point by saying that ABS allow cars to slow down faster than does "skidding."
All new cars sold today with ABS have four-wheel anti-lock breaks. Sports Utility Vehicles (SUVs) and light truck are sold with either two-wheel (rear wheels) or four-wheel ABS.
Electronic Stability Control or ESC
Electronic Stability Control is designed to help drivers to maintain control of their cars during times of intense steering maneuvers. ESC helps by preventing a car from spinning out by constantly monitoring and applying braking force to one or more wheels as needed.
Tire Pressure Monitoring Systems (TPMS)
Tire Pressure Monitoring Systems use a warning light on the dashboard to alert the driver when a tire is significantly under-inflated. Tires in this condition are much more prone to tire failure (a blow out). The standard for this warning to signal is when the tire pressure is 25% below the tire manufacturer's recommended inflation pressure.
For example, if the tire is supposed to be inflated to 30 psi of pressure, the TPMS will alert the driver when the tire pressure drops below 22.5 psi. All cars manufactured after September 1, 2007 are required to have TPMS.
Daytime Running Lights or DRL
Daytime Running Lights turn on the car's headlights whenever the vehicle is being driven. By turning on the headlights - even in the daytime - the ability of other drivers to see your car is greatly enhanced.
Seat Belts / Safety Belts
Seat belts are considered the single most important safety feature in your car. These belts are designed to keep you in your seat, which helps you to avoid hitting the steering wheel, dashboard or windshield. When buying a car, sit in the vehicle and put on the seat belt. Check to make sure the fit is comfortable. Many cars today offer a variety of ways to adjust the seat belt to obtain a better fit.
All new cars are required to provide a warning light and audible signal that lasts for at least eight second if the driver does not have a seat belt engaged.
Air Bags
The original air bags deployed in cars were placed in the steering wheel and they were designed to protect the driver. The success of air bags in protecting passengers has lead to their deployment in several new ways.
Frontal Air Bags
Frontal air bags for drivers and passengers have been standard equipment in all cars since the model year 1998. These bags are designed to prevent the driver or front seat passenger from striking the windshield, dashboard or steering wheel. Frontal air bags are usually hidden in the steering wheel and / or the dashboard itself.
Advanced Air Bag Systems
By September 1, 2006, all new automobiles were required to be fitted with advanced air bag systems. This advanced system is designed to deploy air bags in such a way as to balance the protection of the passenger with the force by which the bag is deployed. The advanced system can help protect some adults, and especially small children, from the harmful affects of an air bag that deploys with too much force.
Air Bag On / Off Switches
Nearly all vehicles that do not have a rear seat now include an on / off switch that can deactivate a frontal air bag. For example, an on / off switch might be commonly found in pick up trucks allowing the passenger side air bag to be turned off when transporting a small child.
Side Air Bags
Side air bags are designed to offer additional passenger protection from side impact collisions. These types of bags take several forms:
- Curtains / Tubular - these air bags deploy downward from the car's roof.
- Combination - these air bags deploy upward from the seat back and provide both head and chest protection.
Side Air Bag Out of Position Test
There has been a recent movement to test side air bags for safety when a passenger is out of position - such as a child or adult sleeping with their head resting on the inside of a car's door. If the vehicle has passed a series of tests for safety under these conditions, it will be noted in the car's safety literature.
Rollover Air Bags
Rollover air bags are designed to keep passengers inside a vehicle when a special rollover sensor activates. These rollover air bags are side air bags that perform this safety function by staying inflated for a longer period of time.
Vehicle Weight
The final car safety feature we're going to mention has to do with the vehicle's weight. Once again this has to do with physics (actually quite a bit of a car's behavior can be explained by physics) but the rule of thumb here is that heavier vehicles offer passengers a greater level of safety. But this rule of thumb comes with one of those cautions.
Statistically, some of the heavier vehicles on the road today are trucks and SUVs. Because of the typical dimensions of SUVs, its center of gravity is higher off the ground compared to a passenger car. This makes SUVs more prone to rolling over.
So while an SUV offers passengers the advantage of being a heavier vehicle, this advantage can be negated by their tendency to roll over.
Finding Information on Car Safety Features
The NHTSA runs a website - SaferCar.gov - and there you will find loads of information on car safety in addition to a database containing vehicle safety features and safety ratings dating back to 1990. Keep in mind that not all vehicles have been evaluated for safety. While the database grows each week with new information and is perhaps the most comprehensive of its kind, it does not contain information for every make and model produced since 1990.
You can also check out our article on car safety ratings if you're wondering about a vehicle's overall design and its ability to protect its passengers. And if you've got small children, we've also published information on car seat safety that explains what to look for when buying car seats for infants and small children.
About the Author - Car Safety Features
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