Check relevant fuses for RADIO (there are about 4 of them) to ensure they are properly seated. This assumes Radio worked before batt change. Replace any bad fuse.
Check your fuse panel for a blown radio fuse.
No, they should still work.
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.
you need to reprogram your radio when the battery has been disconnected - see owners manual
Anytime a battery cable is disconnected you have to reprogram the set radio stations
Put batteries into a radio then press the on button
Disconnect the neg battery cable then take the bolts and wires loose from the back of the radio under the dash. Then pull the knobs off and remove the nuts there and work the radio out of the back of the dash.
If the radio has a security code you will have to insert the code for the radio to work.
I saw this on another forum and it worked for me. If you have a cassette radio put a cassette in and the radio should turn on. CD should work by same premise. You could also just Read your owner's manual. This information can be found there.
no
Anytime a battery cable is removed from the battery the radio will need to have the clock reset and the radio stations re-programmed. (Helpfull)
If you disconnect a battery cable the preset radio stations and the clock has to be reset