RFID technology is used in some vehicles for functions such as tire pressure monitoring and ignition system security, as well as in connection with conveniences such as key fobs for remote door locking/unlocking and starting, and in-vehicle transmitters for garage door openers. RFID technology in GM vehicles does not use or record personal information or link with any other GM system containing personal information.
Chevrolet Cobalt Service & Repair Manual. Relearn Procedures
Keyless Entry Transmitter Or DIC Method
1.
On models with standard ignition
switch, place ignition switch in ON position.
2.
On models with keyless ignition
switch, place ignition switch in ACCY position.
3. ...