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In cases when the IBS detects charging system failure,
or the vehicle battery conditions are deteriorating, elec-
trical load reduction actions will take place to extend
the driving time and distance of the vehicle. This is
done by reducing power to or turning off non-essential
electrical loads.
Load reduction is only active when the engine is run-
ning. It will display a message if there is a risk of battery
depletion to the point where the vehicle may stall due
to lack of electrical supply, or will not restart after the
current drive cycle.
When load reduction is activated, the message “Battery
Saver On” or “Battery Saver Mode” will appear in the
instrument cluster.
These messages indicate the vehicle battery has a low
state of charge and continues to lose electrical charge
at a rate that the charging system cannot sustain.
NOTE:
•
The charging system is independent from load
reduction. The charging system performs a diagnos-
tic on the charging system continuously.
•
If the Battery Charge Warning Light is on it may indi-
cate a problem with the charging system
page 79.
The electrical loads that may be switched off
(if equipped), and vehicle functions which can be
affected by load reduction:
•
Heated Seat/Vented Seats/Heated Wheel
•
Rear Defroster and Heated Mirrors
•
HVAC System
•
115 Volt AC Power Inverter System
•
Audio and Telematics System
Loss of the battery charge may indicate one or more of
the following conditions:
•
The charging system cannot deliver enough electri-
cal power to the vehicle system because the electri-
cal loads are larger than the capability of the charg-
ing system. The charging system is still functioning
properly.
•
Turning on all possible vehicle electrical loads (e.g.
HVAC to max settings, exterior and interior lights,
overloaded power outlets +12 Volt, 115 Volt AC, USB
ports) during certain driving conditions (city driving,
towing, frequent stopping, etc.).
•
Installing options like additional lights, upfitter elec-
trical accessories, audio systems, alarms and simi-
lar devices.
•
Unusual driving cycles (short trips separated by long
parking periods).
•
The vehicle was parked for an extended period of
time (weeks, months).
•
The battery was recently replaced and was not
charged completely.
•
The battery was discharged by an electrical load left
on when the vehicle was parked.
•
The battery was used for an extended period with
the engine not running to supply radio, lights, char-
gers, +12 Volt portable appliances like vacuum
cleaners, game consoles and similar devices.
What to do when an electrical load reduction action
message is present (“Battery Saver On” or “Battery
Saver Mode”)
During a trip:
•
Reduce power to unnecessary loads if possible:
○ Turn off redundant lights (interior or exterior)
○ Check what may be plugged in to power outlets
+12 Volt, 115 Volt AC, USB ports
○ Check HVAC settings (blower, temperature)
○ Check the audio settings (volume)
After a trip:
•
Check if any aftermarket equipment was installed
(additional lights, upfitter electrical accessories,
audio systems, alarms) and review specifications if
any (load and Ignition Off Draw currents).
•
Evaluate the latest driving cycles (distance, driving
time and parking time).
•
The vehicle should have service performed if the
message is still present during consecutive trips,
and if the evaluation and driving pattern of the
vehicle did not help to identify the cause.
WARNING LIGHTS AND MESSAGES
The warning/indicator lights will illuminate in the instru-
ment panel together with a dedicated message and/or
acoustic signal when applicable. These indications are
indicative and precautionary and as such must not be
considered as exhaustive and/or alternative to the
information contained in the Owner’s Manual, which
you are advised to read carefully in all cases. Always
refer to the information in this chapter in the event of a
failure indication. All active telltales will display first if
applicable. The system check menu may appear differ-
ent based upon equipment options and current vehicle
status. Some telltales are optional and may not appear.
78 GETTING TO KNOW YOUR INSTRUMENT PANEL
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