Lighting features, Exit lighting, Battery load management – GMC 2012 Canyon User Manual
Page 141: Lighting features -7, Conversions, Exit lighting -7 battery load management -7
Black plate (7,1)
GMC Canyon Owner Manual - 2012
Lighting
6-7
Dome Lamp Override
The dome lamp override button is
located below the exterior lamps
control.
E
(Dome Lamp Override): Press
this button in to make the dome
lamps remain off when the doors
are open. To return the lamps to
automatic operation, press
E
again
and return it to the out position.
Lighting Features
Exit Lighting
The interior lamps will come on
when the key is removed from the
ignition. The lamps will not come on
if the dome override button is
pressed in.
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. 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 of the
power needed for very high
electrical loads.