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58
CHASSIS
ONCE THE VEHICLE HAS BEEN
LEVELED
The leveling system stores the electronic ride height of
the vehicle, measured using the ride height sensors.
After 20 seconds, the touchscreen enters “low power”
mode indicated by the Auto Air LP status on the screen.
Once the ignition is turned o
ff
, the touchscreen will turn
o
ff
and the leveling system will go to sleep.
After a period of time* (2 hours default) in low power
mode, the leveling touchscreen automatically wakes up
the leveling system and checks to see if re-leveling is
required.
•
If no leveling is required, the system goes back to
sleep and the touchscreen goes back into low power
mode.
•
If leveling is required, the Trueline Leveling System
returns the vehicle to the previously stored leveled
height.
AUTO MODE - NOTES
Once leveling has been completed, additional leveling
cycles can be performed if the touchscreen is in auto
mode or auto low power mode.
If the ignition is o
ff
, touch the screen to turn on the
display. To perform another auto level cycle, do one of the
following:
•
Tap Stop and then Auto, OR
•
Tap the Auto Mode status button (at the bottom of the
screen)
If the park brake is released while in auto mode, the
Trueline Leveling System will switch to manual mode and
then to travel mode, if the vehicle accelerates to a speed
above 5 mph.
CHANGING THE HEIGHT OF A
LEVELED VEHICLE
A leveled vehicle can be raised or lowered to adjust the
entry doorstep height.
1. To ensure an adequate amount of air, the ignition
should be on and the air system should be at full
pressure.
2. In auto mode, press and hold Lower All or Raise All.
This causes the vehicle to move up or down while
staying level.
IF THE VEHICLE CANNOT BE LEVELED
If the leveling system is unable to level the vehicle, the
SLOPE status will be displayed and the system will go
into low power mode. If this happens, the system has
determined that it would need to exceed the factory set
height limits to level the vehicle.
The Auto button can be tapped to try leveling again, but
if the SLOPE status is displayed again, it is not possible
to fully level the vehicle on this surface and the vehicle
should be moved to a more level surface.
Manual Level Mode
Use manual leveling mode to manually adjust each corner
of the vehicle. Manual mode can be used when the
ignition is on or o
ff
, and when the vehicle is traveling at
low speeds (up to 5 mph).
USING MANUAL LEVEL MODE
•
Ensure that the vehicle is either parked (but still
running) or traveling slower than the manual mode
speed limit (5 mph).
•
If the vehicle is parked, make sure the front wheels
are straight.
1. Navigate to the Manual leveling screen. (Leveling >
Manual)
2. Press and hold Raise for any corner you wish to
manually adjust. You may press up to two buttons at
a time. To control all four corners simultaneously, use
Raise All. This can be useful to raise the entry step
height.
•
To lower any or all corners, tap Lower Control. This
takes you to the lower/lower all screen. You may
toggle between these two screens by tapping the
Raise/Lower Control button.
RAISE ALL
When in manual mode, the entire vehicle may be raised
while either parked or moving slowly. To allow greater
freedom, Raise All has a ‘lock’ feature that keeps the
button activated after being held for 3 seconds.
Summary of Contents for London Aire 2021
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