Chrysler 2006 PT Cruiser Convertible Owner's Manual page 195

UNDERSTANDING THE FEATURES OF YOUR VEHICLE 195
3
HomeLink Programming (Sedan) HomeLink Programming (Convertible)
4. Using both hands, press the hand held transmitter
button and the desired Universal Transceiver button. Do
not release the buttons until step 5 has been completed.
NOTE: Some entry gates and garage door openers may
require you to replace step 4 with the procedures listed
under Canadian Programming.