IMPORTANT: Depending upon local jurisdic-
tional emissions guidelines, vehicles that are
domiciled outside of the U.S. and Canada may
not have engines and/or emissions aftertreat-
ment systems that are compliant with EPA07,
EPA10, or GHG14 regulations.
The regen request switch, located on the dash, is
used to initiate a parked regen. See
Fig. 5.14.To
access the regen request switch, lift the guard and
press the yellow button.
Some vehicles may be equipped with a regen inhibit
switch. See
Fig. 5.14. To stop a regen in progress or
prevent the start of a regen, press the lower half of
the switch. Regen will be delayed until the switch is
no longer active.
Axle Switches
Some vehicles are equipped with an interaxle differ-
ential lock switch and/or a switch for each driver-
controlled differential lock (DCDL). See
Fig. 5.15. For
more information about differential locks and using
them for traction control, see
Chapter 16.
Engine Brake Switch
The Hi/Med/Lo engine brake 3-position switch con-
trols the amount of engine braking. See Fig. 5.16.
Press the lower third of the switch for low, center for
medium, and upper third for high.
01/13/2012 f462236
Press down on the top of the steering wheel center pad
to activate the horn.
Fig. 5.13, Steering Wheel With Airbag
f61115702/08/2012
NO
RGEN
1
2
1. Regen Request
Switch
2. Regen Inhibit Switch
Fig. 5.14, Regen Request and Inhibit Switches
1
2
3
4
01/05/2012 f611158
1. Interaxle Differential Lock Switch
2. Fifth Wheel Slide Switch
3. Driver-Controlled Differential Lock (DCDL) Switch
4. Air Suspension Dump Control Switch
Fig. 5.15, Axle and Suspension Switches
Driver Controls
5.8
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