Ford Mustang 2013 Owner's Manual page 169

Note: Failure to fully press the clutch pedal to the floor may cause
increased shift efforts, prematurely wear transmission components or
damage the transmission.
Note: Do not drive with your foot resting on the clutch pedal or use the
clutch pedal to hold your vehicle at a standstill while waiting on a hill.
These actions will reduce the life of the clutch.
Recommended Shift Speeds
Note: Do not downshift into 1 (First) when your vehicle is moving faster
than 15 mph (24 km/h). This may damage the clutch and/or
transmission.
Upshift according to the following charts.
For the 3.7L V6 with 2.73 axle ratio, shift according to the following chart:
Upshifts when accelerating
(recommended for best fuel economy)
1 - 2
2 - 3
3 - 4
4 - 5
5 - 6
For the 3.7L V6 with 3.31 axle ratio, shift according to the following chart:
Upshifts when accelerating
(recommended for best fuel economy)
1 - 2
2 - 3
3 - 4
4 - 5
5 - 6
2013 05+ Mustang (197)
Owners Guide gf, 1st Printing
USA (fus)
Transmission
Shift from:
15 mph (24 km/h)
25 mph (40 km/h)
40 mph (64 km/h)
45 mph (72 km/h)
50 mph (80 km/h)
Shift from:
13 mph (21 km/h)
26 mph (42 km/h)
37 mph (59 km/h)
43 mph (69 km/h)
59 mph (95 km/h)
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