How do reset speedometer trip meter on a Saab 93 tid?

To reset the trip meter on a Saab 93 TID, locate the trip meter button on the dashboard, usually found near the speedometer. Press and hold this button until the trip distance resets to zero. Ensure the ignition is in the "on" position, but the engine doesn't need to be running. Release the button, and the trip meter should now be reset.