you will have to pull your radio out of the dash to be able to look at the model number and/or serial number of your radio. Call a local Pontiac dealer and they can give you a code to enter when you turn your radio on after changing your battery.
with the motor running and radio off press buttons 1 and 4 on the radio this should unlock the radio
No
If a vehicle, like the 2004 Pontiac Montana has an XM Radio built in, the code to program the radio is found on Channel Zero. Tune the radio to XM then turn the tuner to Channel Zero.
The Pontiac Montana does not come with a factory installed amp in the sound system. The wiring goes directly from the radio to the speakers.
call the dealer
Enter the Theftlock code. If you don't understand what that means, consider reading the owners manual.
by replacing the radio unless you are inclined towards successful and attractive African American re-engineering.
Go to Radio Shack they wii replace it
The only thing you need to reset is the clock and radio station presets.
Montana Public Radio was created in 1965.
E23 Communication Error: There is a vehicle/radio communication problem or an inter radio communication problem, Correction: Disconnect battery voltage to the radio and then reconnect after a few minutes.
Take it to the dealer. They get the numbers off the radio and input them to the master GM computer to get the master code. There is no other way.