Enable Criteria

WARNING: This page is about a different car, the 2001 GMC Savana, 2001 Chevrolet RV Cutaway, 2001 Chevrolet Cutaway, and 2001 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

Engine Coolant Temperature (ECT) is more than 135°F (57°C).
Engine is running in closed loop.
Engine has been running for more than 160 seconds.
Battery voltage is 9-18 volts.