Tire pressure monitoring systems let vehicle operators know when tire pressure is either underinflated or overinflated. Every Jeep Liberty manufactured since 2007 is equipped with a monitoring system; some models before 2007 offered it as an option.
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Things you need
- Tire gauge
- Air compressor
Turn your engine off and engage the parking brake. Remove the tire inflation caps for each tire and keep them in a safe place.
Connect the tire gauge to the valve stem of each tire individually; make note of the listed tire pressure. Proper tire pressure for the Jeep Liberty is 33 PSI for front and rear tires. You will need to add air or release it from each tire, to get to the recommended setting.
Replace the valve stem caps and drive the vehicle for a few blocks. The monitoring system checks tire pressure at intervals; when the system realises the pressure is accurate, the warning light will reset.
Tips and warnings
- If you don't have an air compressor, add the recommended amount of air at a service station. Many service stations have air machines you can use for less than a dollar.
- The tire pressure monitoring system can be reset simply by disconnecting the battery, but the light will return after a few miles of driving if the pressure is inaccurate.
- Properly inflated tires can improve gas mileage up to 3 per cent.
- Severely deflated tires can be dangerous to drive with; regulate your tire pressure often.
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