GETTING TO KNOW YOUR INSTRUMENT PANEL
107
Component Protection that can inhibit Electric
Mode
HV battery undervoltage - Sustained EV opera-
tion at high speed, especially with aftermarket
wheels and tires, can induce this.
Other electric propulsion system faults indi-
cated by a MIL - Please see an authorized dealer
for service.
Fuel and Oil Refresh Mode - See the following
section.
Fuel And Oil Refresh Mode
Since it is possible to operate this vehicle for
extended periods of time without running the gas
engine, the fuel within the vehicle’s fuel tank can
become stale or the engine oil’s lubricating
properties can be reduced. To prevent engine and/
or fuel system damage due to stale fuel, as well as
maintaining internal engine lubrication, this
vehicle is equipped with a Fuel and Oil Refresh
Mode.
Fuel and Oil Refresh Mode Message
The vehicle will automatically enter into the Fuel
and Oil Refresh Mode to minimize potential for
stale fuel, and to ensure lubrication of internal
engine components. When operating in this mode,
the gas engine will run to provide vehicle
propulsion (electric only operation is inhibited).
A message will be displayed in the instrument
cluster whenever Fuel and Oil Refresh Mode is
active.
The vehicle will automatically exit the Fuel and Oil
Refresh Mode when fuel and lubrication conditions
have been satisfied. If the vehicle enters Fuel and
Oil Refresh Mode, due to fuel which has been in
the fuel tank for a long period of time (becoming
stale fuel), the engine will run whenever the vehicle
is operational (no electric only operation) until the
low fuel level warning is activated. It is also
possible to exit the Fuel and Oil Refresh Mode
sooner by adding a minimum of four gallons of new
fuel to the vehicle’s fuel tank.
NOTE:
If the vehicle enters Fuel and Oil Refresh Mode to
maintain engine lubrication, adding fuel will not
exit the mode sooner.
3
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Summary of Contents for GRAND CHEROKEE 4xe 2023
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