6-6 Lighting
Lighting Features
Entry Lighting
If the dome lamp override button is
in the out position, the lamps inside
the vehicle automatically come on
when any door is opened or when
the Remote Keyless Entry (RKE)
K
button is pressed. After the door is
opened, the lamps remain on and
stay on for 20 seconds after the
doors are closed, or until the key is
put into the ignition and turned to
the ACC/ACCESSORY position.
The lamps will then gradually dim
until they are no longer lit.
Battery Load
Management
The vehicle has Electric Power
Management (EPM) that estimates
the battery's temperature and state
of charge. It then adjusts the voltage
for best performance and extended
life of the battery.
When the battery's state of charge
is low, the voltage is raised slightly
to quickly bring the charge back up.
When the state of charge is high,
the voltage is lowered slightly to
prevent overcharging. The voltage
may move up or down on the
voltmeter gauge or the voltage
display on vehicles with the Driver
Information Center. This is normal.
If there is a problem, an alert will be
displayed.
The battery can be discharged at
idle if the electrical loads are very
high. This is true for all vehicles.
This is because the generator
(alternator) may not be spinning fast
enough at idle to produce all the
power that is needed for very high
electrical loads.
A high electrical load occurs when
several of the following are on, such
as: headlamps, high beams, fog
lamps, rear window defogger,
climate control fan at high speed,
heated seats, engine cooling fans,
trailer loads, and loads plugged into
accessory power outlets.
EPM works to prevent excessive
discharge of the battery. It does this
by balancing the generator's output
and the vehicle's electrical needs.
It can increase engine idle speed to
generate more power, whenever
needed. It can temporarily reduce
the power demands of some
accessories. Normally, these actions
occur in steps or levels, without
being noticeable.
Battery Power Protection
The battery saver feature is
designed to protect the vehicle's
battery.
If any interior or exterior lamp is left
on and the ignition is turned off, the
battery rundown protection system
automatically turns the lamp off after
10 minutes.
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