Radio (ML Class)
WARNING: This page does not describe the selected car, but rather 162 other vehicles, including the 2001 Volvo V70, 2001 Volvo V40, 2001 Volvo S80, 2001 Volvo S60, and 2001 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition on. Turn radio on. CODE will be displayed. Enter customer supplied code number using station number keys on radio. Confirm correct code by pressing seek forward or seek back buttons. Unit will turn on if correct code is entered.
If wrong code is entered, CODE will be displayed on radio and code will need to be researched and entered again. If wrong code is entered 3 times, code entry is denied for 10 minutes. If wrong code is entered 9 times, code entry is denied for 60 minutes. Radio and ignition switch must remain on during the waiting period.