the up arrow , the seek forward button , or the AS button (depending on whether it is a Blaupunkt or Grundig variant) for 2 to 3 seconds.
In the context of aftermarket diagnostic software (such as or VAG K+CAN Commander ), radio protocols are often numbered. The RCD 300 typically operates on a specific address. When using universal radio dec rcd 300 code calculator 23
Use a plastic pry tool to gently remove the plastic dash trim surrounding the radio. Unscrew the four Torx T20 screws securing the unit. Slide the radio forward out of the dashboard. Step 2: Identify the Serial Number the up arrow , the seek forward button