Hybrid Electronic Cluster Self-Diagnostics Modes: "m"
WARNING: This page is about a different car, the 2002 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Displays metric value speed input to instrument cluster. Speedometer will indicate present vehicle speed. Display will indicate zero if input is not received, if input is invalid for more than one second or if actual vehicle speed is zero.