How do you set a 97 Buick Regal fob ?

Answer 1

Sit in the driver's seat.
Remove the ignition key from the ignition lock cylinder.
Close all vehicle doors.
Press and hold unlock on the door lock switch.
While holding the door lock switch in the unlock position, insert and remove the ignition key twice. Do not rotate the ignition lock cylinder.
Insert the ignition key a third time leaving the key in the ignition lock cylinder. The ignition must remain in the LOCK position for the rest of the procedure.
Release the door lock switch. You will hear three chimes. This chime feedback indicates that transmitter programming is active.
Press and hold the lock and unlock buttons at the same time on the keyless entry transmitter for 12 seconds. You will hear two chimes. This chime feedback indicates that the transmitter has been programmed successfully.
Repeat step 8 for the rest of the transmitters (for a total of 4 transmitters).
Exit this procedure by removing the ignition key from the ignition lock cylinder

Answer 2

This is the procedure direct from Alldata.
1.Sit in the vehicle driver's seat. 2.Remove the ignition key from the ignition lock cylinder. 3.Close all of the vehicle's doors. 4.Press and hold the UNLOCK switch on the door. 5.Insert and remove the ignition key twice (without rotating the ignition lock cylinder). 6.Insert the ignition key a third time leaving the key in the ignition lock cylinder. The ignition must he in the OFF position. 7.Release the door UNLOCK switch. 8.Press and hold the RKE transmitter LOCK and UNLOCK buttons simultaneously for at least 12 seconds . Two fast chimes will be heard confirming successful programming. 9.Repeat step number eight for each additional transmitter to be programmed. 10.Remove the ignition key from the ignition lock cylinder.The RKE transmitter should be programmed at this time. Repeat the steps above for all transmitters that need to be programmed.