Confirmation Procedure
1. Start the engine.
2. Hold the engine speed at 3,000 rpm without load (in P or N) until the radiator fan comes on.
3. Drive the vehicle at a steady speed between 55 - 75 mph (88 - 120 km/h) for at least 1 minute.
4. Decelerate with the throttle valve fully closed for at least 8 seconds.