2010 Tahoe LT. Has the buttons on the dash for the computer center. Went to check my OLM today (should be ~50% at 6000 miles like always), and it is at 100%. I am the only driver of the car, and no one else has been in it. You would need to bring up the OLM then hold in the reset button for several seconds - can't be done accidentally this way. Any ideas on how it could reset?