Problem with my 2006 Chevrolet Impala LS V6 Service battery charging system. Question: The car would not start or even turn over. I tried battery charger overnight, but it was still showing less than 12 volts although it did start. It is my elderly neighbors car and they insisted that they wanted to go ahead and get a new battery. I got a new battery for them and changed it out.
Afterwards the radio won't come on and the dash was still saying to service the charging system, they say that this has now gone away and the car works fine except the radio does not work and the remote unlock stopped working.They also told and I heard it also, after starting, a loud click/clacking noise under the dash on the passengers side, it eventually stops after starting. My internet research makes me think this is the blend door motor/gear on the AC. Not sure if this is related to the battery problems or not.I think the key remote may just be reprogram with the key in the ignition but I am not sure. More of a concern is the radio, my research on the internet makes it sound like they will need to take it to the dealer to reset anti theft lockout if that is whats wrong.Can you help me? I was trying to be a good neighbor and would feel bad if they will have to take it to a dealer to fix it.
Answer: Yes, it sounds as if the battery problems, charging, jump starting and replacing has caused the radio to go into lock. Although this should not happen with a battery replace. Be sure to check all fuses as well. Maybe just a blown fuse. Especially with the remote problem. The clicking in the dash may be a temperature door motor. Clicking is caused by the door not being able to find the correct position. the A/C control head tells the temp door motors where to position themselves. If the door cannot feedback the correct position, it keeps trying to find it by going back and forth. Try disconnecting the battery for a few minutes, then start car and let it run for 3 minutes without touching any A/C controls. Then shut car off for 30 seconds. This should re-learn the door positions.