Reset service light indicator, engine oil life Buick LaCrosse, year 2005, 2006-2010, 2011-2013 reset instructions: 2005 1. Turn the ignition to run (one position before starting engine). 2. Immediately after Step 1 press and release the gas pedal 3 times within 5 seconds. 3. If the CHANGE OIL SOON indicator flashes engine and repeat steps). […]