Ford Mustang Owner's Manual page 222

Driving
N (Neutral)
With the gearshift lever in N (Neutral), the vehicle can be started and is
free to roll. Hold the brake pedal down while in this position.
D (Drive) standard mode
The normal driving position for the best fuel economy. Transmission
operates in gears one through six.
D (Drive) with grade assist
Press the transmission control
switch on the side of the shift
handle to activate grade assist.
• This position allows for gears 1–5
and provides increased engine
braking.
• Grade assist lamp is illuminated.
• Use with driving conditions such
as hilly terrain, heavy loads,
trailer towing and when engine
braking is required.
• To return to standard mode, press the transmission control switch.
The grade assist lamp will not be illuminated.
• Standard mode is automatically returned each time the key is turned
off.
3 (Third)
Transmission operates in third gear only.
• Used for improved traction on slippery roads.
• To return to D (Drive), move the transmission shift lever into the D
(Drive) position.
2 (Second)
Transmission operates in second gear only.
• Use to start-up on slippery roads.
222
2012 05+ Mustang (197)
Owners Guide, 3rd Printing
USA (fus)