Reset service light indicator, engine oil life Volkswagen Jetta, year 1993-2010 reset instructions:

Turn the ignition to run (one position before starting engine).
Press and hold the button located under the speedometer.
Switch ignition off and release button. Message OIL appears in the display.
Press MINUTE button of digital clock or button for setting analog clock only as long as 5 dashes appears in display.
Turn the ignition off and then start the engine to verify the indicator has been reset.

2000-2004

Reset may be similar to previous year or other models – Oil Reset will verify and update site.

2005-2010

Manual Reset:
Turn the ignition to run (one position before starting engine).
Press and HOLD the trip-odometer button “0.0”.
Turn your key to run (one position before starting engine).
Release the trip-odometer button.
Push and release the Clock Minute Set Button “min”.
Turn the ignition off and then start the engine to verify the indicator has been reset.