security light stays on, but car starts and runs fine.2000 park avenue. how do i reset the light to go off. thanks
If you're using a new or different ignition key try this. Turn the ignition to the run position but don't start the engine. Leave it there for 10 minutes or until the security light goes off, whichever comes first. Then switch off the ignition. Then immediately start the engine. This should reset the security system. HTH. -Jim
still using the original keys, I am puzzled. thanks for your input.
You're welcome. Glad to help. Thank you for the best answer click! -Jim
On this car w passkey 3, you unfortunately need to go to GM dealer. They heed to use specialized scan tool to reset. Receiver on car might be bad. 300.00 part
On this car w passkey 3, you unfortunately need to go to GM dealer. They heed to use specialized scan tool to reset. Receiver on car might be bad. 300.00 partL note- you can add up to 10 keys to memory. Hopefully, they can clear memory. You have to have an original key and both remotes for tech
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