How do you shut off the alarm on your 1992 Buick Roadmaster?

To shut off the alarm on a 1992 Buick Roadmaster, insert the key into the driver's side door lock and turn it to the unlock position. If the alarm is still sounding, you may need to start the engine to reset it. Additionally, check the owner's manual for specific instructions related to your vehicle's alarm system. If issues persist, consider disconnecting the battery for a short period to reset the system.