Transmission downshifts hard at about 20mph, going from second to first. Initially only occurred at this scenario however it is occurring at normal shifting up and down. Had a 2008 that experienced the same downshifting problem. Vehicle has about 165K miles and has not been used for hauling.

- Tampa, FL, USA

The contact owns a 2009 Cadillac Escalade. While driving 20 mph, the transmission seized and the vehicle jerked. In addition, while the vehicle was in the park position, the rpms accelerated rapidly without warning and the vehicle accelerated rapidly. The vehicle was taken to auto zone where it was diagnosed that the cooling system of the hybrid system and battery caused the failure. Furthermore, family trucks and vans of denver Colorado was notified of the failure and further diagnosed that the oil pressure switch and brake pedal were faulty. The manufacturer was not made aware of the failures. The failure mileage was 158,389.

- Center, CO, USA

Car shut off on me twice while driving. The car has a loud squeaking, squealing, rough noise. When that happens my rpms lock up and won't take it out of gear. Transmission slips at various speeds, it is said to believe at an up/down shift and a down/up shift. Suspension and other parts under vehicle are leaking.

- San Pedro, CA, USA