Service Indicator Reset

Abstract: The Smart Car Service Indicator light comes on central control module determines that Maintenance is required. This is computed using a combination of mileage and actual operational readings.


Applies to: Smart fortwo BR451. Model Years 2008, 2009


To Perform Reset

Switch the ignition to position 1.

Select maintenance indicator within 4 sec by pressing the instrument cluster button twice.

Switch OFF the ignition (position 0) within 10 seconds

Push and hold in the instrument cluster button and switch ignition ON.

Hold the instrument cluster button for another 10 seconds. The wrench symbol on the LCD will flash and eventually reset.

  • Single wrench indicates an oil change is due.
  • Double wrench indicates a milage service is due.

Note: Service Indicator Light is also known as: service light, maintenance interval light

Before Performing any Work

Please read Warnings & Cautions before proceeding with any work on your vehicle