Buick Regal: Accessories and Equipment

 Cooling System Draining and Filling (Static)

Special Tools GE-26568 Coolant and Battery Tester WARNING: With a pressurized cooling system, the coolant temperature in the radiator can be considerably higher than the boiling point of the solution at atmospheric pressure. Removal of the surge tank cap, while the cooling system is hot and under h

 Throttle Actuator Control (TAC) System Description

The engine control module (ECM) is the control center for the throttle actuator control (TAC) system. The ECM determines the driver's intent based on input from the accelerator pedal position sensors, then calculates the appropriate throttle response based on the throttle position sensors. The