Ford 2011 Explorer Owner's Manual page 309

Driving
• The vehicles or objects bordering the space may not be positioned
appropriately.
• The vehicle was pulled further up from the parking space than usual
while driving by the space. APA performs best when you drive the
same distance past the entire length of the parking space.
• The tires may not be installed and maintained correctly. For example,
one or more tires may not be inflated correctly, may not be of the
same size, or may not be authorized for use on this vehicle.
• The vehicle had a repair or alteration that is not authorized by the
manufacturer.
• One of the parked vehicles has a high altitude attachment (i.e. salt
sprayer, snow plow, moving truck high bed, etc.) High altitude
attachments may not be detected by the system.
• The parking space length or parked objects position have changed
after the vehicle has passed the parking space.
• The temperature around your vehicle changes quickly, such as driving
from a heated garage into the cold, or after leaving a car wash. As a
result, the outside air temperature displayed in the vehicle may not be
close enough to the actual temperature. APA relies on correctly
sensing the temperature outside for precisely positioning the vehicle.
308
2011 Explorer (exp)
Owners Guide, 1st Printing
USA (fus)