Radio/Audio System Description and Operation: Notes

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

The entertainment system on this vehicle may have several different configurations available to it. To determine the specific configuration of the vehicle, please see the Service Parts ID Label, and refer to RPO Code List (Tahoe and Yukon) , RPO Code List (Escalade ESV, Suburban, and Yukon XL) , RPO Code List (Avalanche and Escalade) .

The entertainment system on this vehicle is configured with either a base or an uplevel system. The base and uplevel systems each contain a radio, antenna, speakers, and on some systems an audio amplifier. The uplevel system differs from the base system by providing the customer with enhanced audio system features. Some of those features may include the radio data system (RDS), an audio amplifier, programmable equalizer (EQ), and digital satellite radio (U2K).

Each item in the list below represents topics covered in detail below.

Radio Circuit Operation
Antenna System
AM/FM Reception
Digital Radio Receiver (if equipped)
Speaker Operation
Audio Amplifier (if equipped)
Radio Data System (RDS) (if equipped)
Radio Data System (RDS) Messages
MP3/CD Formatting Information for MP3/CD Radios (if equipped)
Integral Multi Disc CD Changer (IMDX) (if equipped)
Rear Seat Audio (RSA) (if equipped)
Rear Seat Entertainment (RSE) (if equipped)
Radio Error Messages
Theft Deterrent
OnStar ® (if equipped)
Steering Wheel Controls (if equipped)
Auxiliary Input Jack (if equipped)
Personal Audio Link (PAL)
Noise Compensation (if equipped)
Speed Compensated Volume (SCV) (if equipped)