Optical Chirp (Flash) Disabling/Enabling
WARNING: This page is about a different car, the 2003 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
The optical chirp can be toggled using a DRB III(R) or by using the Remote Keyless Entry (RKE) transmitter.
To DISABLE (cancel) the optical chirp feature, press and hold the transmitter LOCK button for four to ten seconds. While pressing the LOCK button in, press the TAILGATE RELEASE button. Release both buttons.
To ENABLE the optical chirp feature, repeat the above procedure.