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To reprogram the security system in Your 2008 Chevy Cobalt, press the panic button on the key fob for five seconds, then hit the lock button twice from a distance of 10 feet. After that, press the unlock button twice to reset the immobilizer. Why should you bother with an anti-theft system? Essentially, it's designed to detect unauthorized attempts to start your car's engine and alert you. Additionally, it can notify you of suspicious activity, like someone trying to break into your vehicle.
How can I bypass the anti-theft system in an '08 Chevy Cobalt that doesn't have a key fob?
I've got an extra key that I've been using, but it's just a plain key without any buttons. I've tried everything I've read and watched in these useless videos to fix this issue with no luck. My Chevy won't start because the battery died and now it's locked up. Can you believe how frustrating this is?
If the cobalt is a manual transmission and still doesn't start even after trying to program the new key, what could be the issue?
How about standing 10 feet from the car and using the lock switch instead of walking up to the car and using the remote from 10 feet away?
To reprogram the security system or anti-theft system in your 2008 Chevy Cobalt, first press and hold the panic button on your key fob for five seconds. Then, press the lock button twice from a distance of 10 feet away from the car. Next, press the unlock button twice. Your immobilizer should now be reset.