How do you bypass the heater core in a 1993 Audi 100 Quattro?

To bypass the heater core in a 1993 Audi 100 Quattro, you'll need to locate the heater core hoses under the hood. Disconnect the two hoses that connect to the heater core, typically found on the firewall. Use a coupling or appropriate length of hose to connect the two heater core outlet pipes together, ensuring a tight fit to prevent leaks. Finally, check the coolant levels and top off as necessary.