Ford Mustang Owner's Manual page 21

Instrument Cluster
MPG (L/km)
This displays instantaneous fuel economy as a bar graph ranging from ↓
poor economy to ↑ excellent economy.
Your vehicle must be moving to calculate instantaneous fuel economy.
When your vehicle is not moving, this function shows ↓, one or no bars
illuminated. Instantaneous fuel economy cannot be reset.
TIMER
Timer displays the trip elapsed drive time.
To operate, do the following:
1. Press and release RESET in order to start the timer.
2. Press and release RESET to pause the timer.
3. Press and hold RESET until the timer resets.
Blank Screen
The message center display will be blank after cycling through all of the
Info menu items.
System check and vehicle feature customization
*Press the SETUP button repeatedly
to cycle the message center through
the following features:
*Note: Not all personalization items
will appear unless your vehicle is so
equipped.
RESET FOR SYSTEM CHECK
When this message appears, press
the RESET button and the message
center will begin to cycle through
the following systems and provide a
status of the item if needed.
1. XXX% OIL LIFE
2. CHARGING SYSTEM
3. DOORS STATUS
4. TRUNK STATUS
5. BRAKE SYSTEM
6. FUEL LEVEL
21
2012 05+ Mustang (197)
Owners Guide, 3rd Printing
USA (fus)