FORD 2012 Focus v.3 - Manual (Page 276)

Although the SST will make some downshifts for you, it will still allow
you to downshift at any time as long as the SST determines that the
engine will not be damaged from over-revving.
The SST will automatically upshift if the engine reaches maximum RPM
and the driver has not selected the proper gear for vehicle speed to help
prevent engine damage caused by excessive over-revving.
Engine damage may occur if excessive engine revving is held
without shifting.
Hill start assist (HSA) system (if equipped)
The hill start assist (HSA) system makes it easier to pull away when the
vehicle is on a slope without the need to use the parking brake. When
HSA is active, the vehicle will remain stationary on the slope for two to
three seconds after you release the brake pedal. During this time, you
have time to move your foot from the brake to the accelerator pedal and
pull away. The brakes are released automatically once the engine has
developed sufficient drive to prevent the vehicle from rolling down the
slope. This is an advantage when pulling away on a slope, (for example,
from a car park ramp, traffic lights or while in reverse traveling uphill
into a parking space).
WARNING: HSA does not replace the parking brake. When you
leave the vehicle, always apply the parking brake and select P
(Park) (automatic transmission) or neutral (manual transmission).
Using HSA
The HSA system is activated automatically when the vehicle is stopped
on a slope greater than four degrees. HSA operates with the vehicle
facing downhill if reverse gear is selected.
WARNING: You must remain in the vehicle once you have
activated HSA.
WARNING: During all times you are responsible for controlling
the vehicle, supervising the HSA system and intervening, if
required.
Driving
275
2012 Focus (foc)
Owners Guide, 3rd Printing
USA (fus)