2010 Jeep Grand Cherokee Owner Manual SRT8 - Page 226

UNDERSTANDING YOUR INSTRUMENT PANEL 225 NOTE: If you experience difficulty in playing a particular disc, it may be damaged (i.e., scratched, reflective coating removed, a hair, moisture or dew on the disc) oversized, or have protection encoding. Try a known good disc before considering disc player service. RADIO OPERATION AND CELLULAR PHONES Under certain conditions, the cellular phone being on in your vehicle can cause erratic or noisy performance from your radio. This condition may be lessened or eliminated by relocating the cellular phone antenna. This condition is not harmful to the radio. If your radio performance does not satisfactorily "clear" by the repositioning of the antenna, it is recommended that the radio volume be turned down or off during cellular phone operation. CLIMATE CONTROLS Automatic Temperature Control The Automatic Temperature Control System automatically maintains the interior comfort level desired by the driver and passenger. 4 Automatic Temperature Controls