To reset the 2012 Scion iQ maintenance light, please follow these instructions:
1. With the engine running switch the display to trip metre A. Turn the engine off. 2. While pressing the MODE button, turn the engine switch to the ON position (do not start the engine or the reset process will be cancelled). Continue to press and hold the button until the trip metre displays “000000”. 3. Turn the ignition off and then start the engine to verify the indicator has been reset.