FORD 2012 Shelby GT 500 v.1 - Manual (Page 222)

For the 3.7L V6 with 3.31 axle ratio, shift according to the following
chart:
Upshifts when accelerating (recommended for best fuel
economy)
Shift from:
1 - 2 13 mph (21 km/h)
2 - 3 26 mph (42 km/h)
3 - 4 37 mph (59 km/h)
4 - 5 43 mph (69 km/h)
5 - 6 59 mph (95 km/h)
For the 5.0L V8, shift according to the following chart:
Upshifts when accelerating (recommended for best fuel
economy)
Shift from (When not in skip shift mode):
1 - 2 17 mph (27 km/h)
2 - 3 25 mph (40 km/h)
3 - 4 40 mph (64 km/h)
4 - 5 45 mph (72 km/h)
5 - 6 50 mph (80 km/h)
Shift from (When skip shift mode active):
1-4 17 mph (27 km/h)
4-5 25 mph (40 km/h)
5-6 40 mph (64 km/h)
Skip Shift (if equipped) (V8 engines only)
This feature locks out 2 (Second) and 3 (Third) gears for improved fuel
economy. If the message center displays 1–> 4 SHIFT, shift the
transmission directly from 1 (First) to 4 (Fourth), otherwise you can
shift normally. Refer to Message center in the Instrument Cluster
chapter.
Reverse
1. Make sure that your vehicle is at a complete stop before you shift into
R (Reverse). Failure to do so may damage the transmission.
2. Press the clutch pedal to the floor to disengage clutch.
Driving
222
2012 05+ Mustang (197)
Owners Guide, 1st Printing
USA (fus)