12265A - Service Update (revised warranty information). replace the radio control assembly on certain 2013 model year Cadillac ATS, SRX, and XTS vehicles. The radio volume increases to maximum level without input and the radio cannot be turned off. This condition may or may not occur on subsequent ignition cycles. Also, the heated and/or ventilated seat operation may turn on without input, and/or the outside buttons on the radio control assembly may not work. Dealers are to replace the radio control assembly.
