Dealer Test Mode Displays: "m"
WARNING: This page is about a different car, the 2000 Ford Mustang and 1999 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
Displays speed in KPH. Speedometer will indicate present speed within tolerance. Display will show 0 if input is not received, vehicle speed is zero, or input is invalid for one second or more.