Prior to jacking or lifting a vehicle with air suspension, you must turn off the suspension switch. The switch is generally located in the trunk or on the right side of the passenger foot well.Google+
Car Problem Reports
Lincoln Navigator Turn Off Suspension Switch Before Jacking/Lifting Vehicle With Air Suspension
Lincoln Navigator Problem
Average Mileage: 84,666 mi (15,000 mi - 130,000 mi)
Visitor, 2003 Lincoln Navigator, 109,000 mi
I got my car towed and the Tow guy did not turn off the switch wheny they towed my truck. The Tow was a flatbed and when the driver lowered my truck the back went down and the suspension on my truck did not self adjust and is low and shaking. The tow driver did not know about this switch.
Visitor, 2003 Lincoln Navigator, 130,000 mi
Now my air ride will no longer work!
Visitor, 2004 Lincoln Navigator, 15,000 mi
air suspenssions/ airbags/ and compressor has been my biggest problem scence I bought my suv
Visitor, 2003 Lincoln Navigator