Reading Lamps; Lighting Features; Entry Lighting; Entry/Exit Lighting - GMC Savana 2020 Owner's Manual

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The dome lamp override sets the
dome lamps to remain off or come
on automatically when a door is
opened.
DOME OFF : Press this button
in and the dome lamps remain off
when a door is opened. Press the
button again to return it to the
extended position so that the dome
lamps come on when a door is
opened.

Reading Lamps

If equipped with reading lamps,
press the button next to each lamp
to turn it on or off.
The vehicle may also have reading
lamps in other locations. The lamps
cannot be adjusted.

Lighting Features

Entry Lighting

If it is dark enough outside, the
exterior lamps will turn on briefly
when unlocking the vehicle with the
RKE transmitter.

Entry/Exit Lighting

The vehicle has an illuminated
entry/exit feature.
The dome lamps come on if the
DOME OFF button is in the
extended position, when a door is
opened, or the key is removed from
the ignition.

Exit Lighting

If it is dark enough outside, the
exterior lamps will turn on when the
ignition is turned off. This feature
may be programmable. See Vehicle
Personalization 0 105.
Lighting
Battery Load
Management
The vehicle may have 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. If the vehicle
has a voltmeter gauge or a voltage
display on the Driver Information
Center (DIC), you may see the
voltage move up or down. 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.
115

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