1. Start your vehicle from a cold start (i.e., the engine has been off for at least 8 hours).
2. Allow your vehicle to idle for 2-3 minutes.
3. Drive your vehicle at a steady speed of 25 mph for 10 minutes.
4. Accelerate your vehicle to 55 mph and maintain that speed for 30 seconds.
5. Decelerate your vehicle to 20 mph and maintain that speed for 30 seconds.
6. Repeat steps 4 and 5 two more times.
7. Park your vehicle and turn off the engine.
8. Wait 10 minutes and then restart your vehicle.
9. Drive your vehicle for 10 minutes at a speed of 25 mph or less.
10. If your vehicle's OBD system is still not ready, repeat the drive cycle.
