Anonymous posted an answer for this Car Audio & Video:
"Dealership who services your vehicle should be able to help"
Anonymous posted an answer for this Kenwood Car Audio & Video:
"you must call Kenwood tech support, the code will need to be reset"
Anonymous posted an answer for this Kenwood Car Audio & Video:
"if it is a factory radio, take it to the dealer to have it reset"
Anonymous posted an answer for this JBL Car Audio & Video:
"sounds like a power short on the remote power on wire, happened to me before with alpine...."