Dodge 2004 Ram Pickup 3500 - Manual (Page 24)

To lock the doors:
Press and release the LOCK button on the transmitter to
lock all doors. If the ignition is OFF, when the doors are
locked, the parking lights will flash on once and the horn
will chirp once.
The horn chirp feature will be shipped from the assembly
plants activated. If desired this feature can be disabled by
using the following procedure:
1. Enter your vehicle and close all doors.
2. Fasten your seat belt (fastening the seat belt will cancel
any chiming that may confuse you during this program-
ming procedure).
3. Place the key into the ignition.
4. Turn the ignition to the ON position ( Do not start the
engine
).
5. Press and hold the LOCK button on a programmed
(i.e. functional) key fob.
6. Continue to hold the LOCK button, wait at least 4
seconds, but no longer than 10 seconds, then press and
hold the UNLOCK button.
7. When a single chime is heard, release both buttons.
8. Turn the ignition to the OFF position or wait 60
seconds.
9. Test the horn chirp feature by pressing the LOCK
button on the key fob with the ignition in the OFF
position, or the key removed.
10. To reactivate this feature, repeat the above steps.
24 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE