1. Press and hold the trip odometer button. 2. Insert car key and turn it to the fi rst position (not the second position). 3. You will see 51A come up in the trip odometer area. 4. Release, then press and hold again. 5. Watch for the word “RST” to appear on the Odometer indicator. 6. Release, then press and hold again. 7. Wait for the “RST” message to fl ash. 8. Release, and then press & release (once only).