Tire Pressure Monitoring System

Author: Mark Smith

Cars installed with TPMS will have a warning light on the dashboard that lights up when tires become significantly under inflated so that blow outs can be avoided. All modern cars manufactured have TPMS. If you'd like TPMS in your vehicle and are shopping around for a used parts, then look for new models. A typical TPMS (Tire Pressure Monitoring System) monitors the air pressure in the tires with a wheel mounted sensor. This type of TPMS can detect actual pressure levels and transmit the information to the driver more quickly. Tires are monitored individually by sensors attached to a special tire valve, or strapped to the drop centre of each wheel. Each sensor monitors and transmits tire pressure and temperature every few minutes. The temperature is monitored to compensate for cold and warm pressure variations. In order to reduce battery consumption, the sensors revert to a "sleep" mode when the vehicle is parked or not moving. During this "sleep mode," sensors may only activate and transmit signals about every 45 minutes, if at all.

One of the best ways to keep the TPMS system operating properly is to follow the recommendations outlined in your vehicle's owners manual.

Always keep your tires inflated to the pressures indicated on the tire placard. The placard is located on the door jamb or in the glove box. This will allow the tires to perform efficiently. The tires should be rotated as outlined in your owners manual every 7,500 miles or every other oil change.

Proper tire inflation is essential for safe and efficient vehicle operation. Safety experts estimate that 25 percent of passenger vehicles are operated with tires that are under inflated. Car safety features should not be overlooked, so make sure that if you're looking to buy a new car, you know which safety features are available and which ones you would like included in your vehicle. While some car safety features may raise the price of your vehicle, can you really put a price on safety? Vehicles with properly inflated tires experience optimum ride and handling characteristics, shorter braking distances, longer tire life, and improved fuel economy.

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