See also:

Freeing a frozen door lock
To prevent a door lock from freezing, apply deicer through the key hole. If the lock becomes frozen, heat the key before inserting it into the key hole or use the remote keyless entry keyfob. ...

Warning signals
To help prevent the vehicle from moving unexpectedly by erroneous operation of the Intelligent Key or to help prevent the vehicle from being stolen, a chime or buzzer sounds from inside and ou ...

Automatic door locks
-All doors lock automatically when the vehicle speed reaches 15 MPH (24 km/h). - All doors unlock automatically when the ignition switch is placed in the OFF position. The automatic lock and unl ...