If your vehicle has power locks, it has a programmable automatic door unlock feature.
The doors can be programmed through the Driver Information Center (DIC) to automatically unlock several ways. See DIC Vehicle Personalization for more information.
Automatic Door Lock
Rear Door Security Locks (Sedan)Chevrolet Cobalt Service & Repair Manual. Diagnosis & Testing
Accessing Diagnostic Trouble Codes
Connect a suitably programmed
scan tool to Data Link Connector (DLC) and follow manufacturers instructions.
Diagnostic Tests
Low tire pressure in one or more
tires is indicated by a continuously illuminated TPMS indicator after the
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