How to control the Heat on a 1996 cadillac deville?

To control the heat in a 1996 Cadillac DeVille, start by adjusting the climate control settings on the dashboard. You can regulate the temperature using the temperature dial or buttons to select your desired level of heat. If the heat is not responding as expected, check the coolant level and ensure the thermostat is functioning properly. Additionally, inspect the heater core and climate control system for any potential issues.