MXSX19

I just recently got my audi a4 and i plan on chipping it real soon......the problem is if i unplug the battery i need my radio code which is not anywhere to be found in the books the car came with.....how should i go about finding it? thanks

Pizzicato

check the spare tire well

MXSX19

where inside?

Pizzicato

there's a sticker in there with all sorts of info

M.S.G. Homey

It's on any invoice sheet from the dealership.