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4WD/4WD LOCK or 2WD Models
ON
This is the normal operating mode for ESP in 4WD LOCK
and in 2WD vehicles. Whenever the vehicle is started or
the transfer case (if equipped) is shifted from 4WD LOW
or neutral back to 4WD LOCK, the ESP system will be in
this mode. This mode should be used for most all driving
situations. ESP should only be turned to “Partial Off” for
specific reasons as noted below.
This mode is entered by momentarily
depressing the “ESP OFF” Control
Switch. When in “Partial Off” mode,
the engine management portion of
ESP has been desensitized, the thresh-
olds for ESP activation are raised, and
the “ESP/TCS Indicator Light” will be
illuminated. This mode is intended to
be used if the vehicle is in deep snow, sand or gravel
conditions and more wheel spin than ESP would nor-
mally allow is required to gain traction. TSC (Trailer
Sway Control) is not available when the system is in the
ЉPartial OffЉ mode. To turn ESP on again, momentarily
depress the “ESP-Control OFF” Control Switch. This will
restore the normal “ON” mode of operation. ESP always
operates under braking, even with the switch in the
OFF-position.
WARNING!
In the Partial Off mode, the engine torque reduction
and stability features are desensitized. Therefore, the
enhanced vehicle stability offered by ESP is
unavailable.
NOTE: To improve the vehicle’s traction when driving
with snow chains, or starting off in deep snow, sand or
gravel, it may be desirable to switch to the “Partial Off”
Partial Off
STARTING AND OPERATING 301
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