2008 Ford Explorer Owner Guide 2nd Printing (Spanish) - Page 730

Driving Audible Warnings Distance to Object Warning Speed above 2.5 mph (4 km/h) up to 1.6 feet (.5 meters) Solid 1.6 feet (.5 meters) to 3.1 feet Fast beep (1 meter) 3.1 feet (1 meter) to 5.7 feet Medium/fast beep (1.8 meters) 5.7 feet (1.8 meters) to 9 feet Medium beep (2.8 meters) 9 feet (2.8 meters) to 13 feet Medium/slow beep (4 meters) 13 feet (4 meters) to 19.6 feet Slow beep (6 meters) Speed below 2.5 mph (4 km/h) up to 1.4 feet (.4 meters) Solid 1.4 feet (.4 meters) to 3 feet Fast beep (.9 meters) 3 feet (.9 meters) to 4.5 feet Medium beep (1.4 meters) 4.5 feet (1.4 meters) to 6.3 Medium/slow beep feet (1.9 meters) 6.3 feet (1.9 meters) to 8.7 Slow beep feet (2.6 meters) 8.7 feet (2.6 meters) to 16.4 No sound feet (5 meters) The reverse sensing system is automatically enabled when the gear selector is placed in R (Reverse) and the ignition is ON. A control in the message center allows the driver to disable the system only when the ignition is ON and the gear selector is in R (Reverse). Refer to Message center in the Driver Controls chapter. The message center will indicate the system is OFF and will not allow the driver to switch the system ON to indicate a failure of the reverse sensing system. 286 2008 Explorer (exp) Owners Guide (post-2002-fmt) USA (fus)