See also:

Programming Additional Transmitters
Refer to Sentry Key “Customer Key Programming.” If you do not have a programmed RKE transmitter, contact your authorized dealer for details. ...

To Lock The Doors And Liftgate
Press and release the LOCK button on the RKE transmitter to lock all doors and the liftgate. The turn signal lights will flash and the horn will chirp to acknowledge the lock signal. ...

To Engage Or Disengage The Child-Protection Door Lock System
1. Open the rear door. 2. Insert the tip of the ignition key into the lock and rotate to the LOCK or UNLOCK position. 3. Repeat steps 1 and 2 for the opposite rear door. ...