See also:

Radio Frequency Identification (RFID)
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 lockin ...

Power Door Locks
Base Model Uplevel Model (Unlock): Press to unlock the doors. (Lock): Press to lock the doors. ...

Power Door Locks
If available, the switches are on the front doors. : Press to unlock the doors. : Press to lock the doors. ...