2009 Dodge Challenger Owner's Manual - Page 232

230 UNDERSTANDING YOUR INSTRUMENT PANEL NOTE: If you experience difficulty in playing a particu- CLIMATE CONTROLS lar disc, it may be damaged (i.e., scratched, reflective Manual Air Conditioning and Heating System coating removed, a hair, moisture or dew on the disc) oversized, or have copyright 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. The Manual Temperature Control consists of a series of outer rotary dials and inner pushbuttons.