DevinNull :
99 Tahoe:
1) Start with the ignition OFF. hold down the power unlock button on the door panel. While holding the unlock button turn the ignition key ON, OFF, ON, OFF. Release the power unlock switch on the door. The locks will LOCK then UNLOCK
2) Hold down the LOCK and UNLOCK buttons on the remote for 15 seconds. When the vehicle learns the remote, the doors will LOCK then UNLOCK.
3) Repeat step #2 for each additional remote
4) Turn the ignition ON to exit the transmitter programming mode.
5) Verify transmitter functions.
BTW: Stocks in good companies will work as well as Paypal!!!! :frog: