SOURCE: 2007 HHR Radio and chimes not working
Check the radio fuse. As unusual as it seems, GM has started having the radio (even though not turned on) generate the chimes and turn signal sounds. If the radio fails, all the chimes fail too.
This applies to other vehicles besides the HHR. My 2003 Silverado had the door chimes fade down so I could barely hear them. The fix was to replace the radio (under warranty, fortunately...).
SOURCE: 2008 Chevy Cobalt: cd player
Hi.
The problems you are experiencing are caused by the wiring inside the steering wheel. The radio input changing at random is the effect of a contact in the steering wheel control interface. If you have no steering wheel control interface check at the back of the radio for a short in steering wheel control connector's contacts.
The clicking noise when you turn is not coming from the flasher relay, but it is simulated and played by the same system that plays the seat belt chime. If both noises are gone it is probably because of a problem the wiring that goes to the internal car audio system or because a short circuit has impaired both functions.
Problems with steering column wiring are quite common in new Chevy Cobalt. GM has not issued yet any recall for such problems. Here a forum.
There is instead a recall to prevent sudden loss of power steering assist. The recall has been issued to face a critical problem, as loss of power steering while driving may represent an hazard. The recall will entitle you to a free power steering pump and control replacement. I suggest going to the nearest dealer place and asking about the recall. While the steering column is being disassembled to carry the repair you can also ask to have a look at the wiring in there.
Below recall number and details. Mention the recall number when you ask the dealer about repair conditions. The repair under recall is supposed to be free of charge.
10023D SEP 10 Recall - Loss Of Power Steering Assist- Here GM official bulletin: Recall Bulletin.
Regards.
Ginko
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Medium rate chime (150 pulses per minute)
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Slow rate chime (50 pulses per minute)
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Single chime
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