Renault precode
InstantPhilips 22DC-series Tuner List and Update List, roughly pre-2010
A123- Switch the radio on.
- Hold presets 1 and 6 together for about 5 seconds.
- The display shows a letter and 3 digits (e.g. A123). That is your precode.
- No display? Check the label on the radio for "PRE CODE", or the dash display pod.