FORD 1999 F-150 - Manual (Page 119)

If the steering wanders or pulls, the condition could be caused by any of
the following:
• underinflated tire(s) on any wheel(s)
• high crown in center of road
• high crosswinds
• wheels out of alignment
• loose or worn components in steering linkage
AIR SUSPENSION SYSTEM (IF EQUIPPED)
The air suspension system is designed to improve ride, handling and
general vehicle performance for static, on and off-road driving conditions.
• The load leveling feature of the air suspension automatically keeps the
vehicle at a constant level if a load is added or removed from the
vehicle.
The air suspension shut-off switch is
located behind an access panel
underneath the passenger side
instrument panel.
On vehicles equipped with
Air Suspension, turn OFF
the Air Suspension switch prior to
jacking, hoisting or towing your
vehicle.
Normal vehicle operation does not
require any action by the driver.
Check air suspension light
The warning and indicator light CK SUSP illuminates when the air
suspension switch is turned off or an air suspension system fault has
been detected.
If the light is displayed while driving and the air suspension system
switch is not turned off, safely pull off the road at your earliest
convenience. Turn the ignition switch from 4 (On) to 3 (Off) and 4 (On)
AIR SUSPENSION
SWITCH
INTERRUPTEUR DE
LA SUSPENSION PNEUMATIQUE
OFF
Driving
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