Is there a way to reset the engine oil level indicator on 2003 Tahoe?

The 2003 Chevrolet Tahoe doesn't have an engine oil level indicator that needs resetting in the same way some newer vehicles with electronic oil level sensors do. It relies on the traditional dipstick method for checking oil level. There's no button or procedure to reset a digital oil level reading because there isn't one.

If you're seeing a warning light related to oil pressure or level, that's a different issue entirely, and you should not ignore it. A low oil level warning light means your engine is at serious risk of damage. Check your oil level with the dipstick immediately. If it's low, add oil of the correct type and viscosity (check your owner's manual). If the light remains on after adding oil, you need to have your vehicle inspected by a mechanic. The problem could be a faulty sensor, a leak, or something more serious.