The contact's husband owned a 2008 Jeep Liberty. The contact stated that while driving at various speeds, the air bag and traction control warning lights would flash on the instrument panel. The contact stated that while driving at 40 MPH, the vehicle hydroplaned while crossing a puddle of water and landed in a ditch. The side curtain air bags deployed; however, the driver and passenger air bags did not deploy. The contact stated that an abnormal odor was emitted from the vehicle. The contact sustained bruising on the left arm but did not seek medical attention. A police report was not filed. Due to the failure, the vehicle was initially towed to the contact's home and was later towed to an independent tow yard. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline to file a complaint. The vehicle was destroyed. The failure mileage was unknown.