A car mechanic removed Battery terminal and now radio is dead. I need urgent help how to unlock I am second owner and first owner did not provide me code. Also pls guide step by step how to unlock?

Thanks,[&:]

Go to the dealer. Needs to be reprogramed. The previous owner never did have a code.

Jen

Thanks Jen, can you please advise me how to enter code I found serial number and some 3 & 4 digit numbers on sticker at steering column.
Any help will be appreciated because I dont have owner manual.

Ali

Unfortunately this is something that thegm dealer has to do.