Lincoln 2011 MKS Owner's Manual page 242

Driving
When you determine the vehicle is back far enough or you hear a solid
tone from the reverse sensing system, bring the vehicle to a complete
stop and move the gearshift to D (Drive). The message center will now
display PULL FORWARD USE CAUTION followed by a chime.
When you determine the vehicle is far enough forward or a solid tone
from the forward sensing system (if equipped) is heard, bring the vehicle
to a complete stop and move the gearshift to R (Reverse). The message
center may display BACK UP SLOWLY USE CAUTION followed by a
chime. The system may offer subsequent backward and forward
maneuvers before proceeding to the finish phase.
APA finished
When active park assist has completed the automated steering, the
message center displays ACTIVE PARK FINISHED followed by a chime.
The driver is responsible to assess and correct as necessary the final
parking position and put the vehicle in P (Park).
The system can also be deactivated at any time by the following:
• Pressing the APA control switch
• Grabbing the steering wheel
• Exceeding a vehicle speed of 18 mph (30 km/h) for 30 seconds during
active park searching
242
2011 MKS (mks)
Owners Guide, 1st Printing
USA (fus)