Cadillac Repair: Lights on Buzzer-96 Deville, ac compressor, freon

Question
My 96 Deville will not "buzz" when lights are left on. Sentry is OFF. Also will
not "buzz" when key is in ignition. Where is the relay buzzer located or any
other ideas?
Also I want to had feron. Clear codes then it should take freon?

Answer
The buzzer should be behind the glove box and is a square plastic box with several round holes in it.

Clear all the codes first and if it will NOT take freon you may have to jumper the AC compressor relay.

You should have a set of AC gages on the system to monitor the pressures so you do not over fill the system.