The contact owns a 2007 Buick Lacrosse with 2012 sumitomo tires, size: 225-55-R17, model number: 97vsmv88. The contact stated that before entering the vehicle he noticed that the tire pressure declined significantly. The contact attempted to add air to tire but the problem persisted and the air pressure fluctuated while the contact drove at various speeds. The manufacturer was notified and referred the contact to the dealer, where the vehicle was taken for diagnosis. The dealer was not able to duplicate the incident. The approximate failure mileage of the tires was 4,000 and the failure mileage of the vehicle was 38,000. The VIN was not available.

- Denton , TX, USA

The contact owns a 2007 Buick Lacrosse. The vehicle has Goodyear tires, size P/225/60/R16 (na). The contact noticed that the front passenger side tire would sporadically lose pressure. As a result, she experienced excessive shaking in the wheel while driving at various speeds. She took the vehicle to the dealer on numerous occasions and they rotated, inspected, and balanced the tires. As of August 18, 2008, the dealers have been unsuccessful in remedying the failure. The failure mileage was 10,000 and current mileage mileage was 18,210.

- White River Junction, VT, USA

Computer tire pressure reads incorrect tire positions on read out on display on vehicle dash board. Right rear reads the left front tire has been to dealer twice still not corrected.

- Peebles, OH, USA