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Battery Voltage Low
This message will appear when the electrical system is
charging less than 10 volts or if the battery has been
drained.
If this message appears immediately after starting the
engine, it is possible that the generator can still recharge
the battery. The battery should recharge while driving
but may take a few hours to do so. Consider using
an auxiliary charger to boost the battery after returning
home or to a final destination. Make sure you follow
the manufacturer’s instructions.
If this message appears while driving or after starting
your vehicle and stays on, have it checked by your
GM dealer immediately to determine the cause of this
problem.
To help the generator recharge the battery quickly,
you can reduce the load on the electrical system
by turning off the accessories.
The normal battery voltage range is 11.5 to 15.5 volts.
You can monitor battery voltage on the DIC by pressing
the INFO button until BATTERY VOLTS appears.
Change Engine Oil
This message indicates that the life of the engine oil
has expired and it should be changed and that
your vehicle is due for service. See your GM dealer.
See Engine Oil on page 5-16 and Scheduled
Maintenance on page 6-4 for more information.
When you reset the Change Engine Oil message by
clearing it from the display, you still must reset the
engine oil life system separately. For more information
on resetting the engine oil life system, see Engine
Oil Life System on page 5-22. If you clear this message
from the display, it will not re-appear.
Change Trans (Transmission) Fluid
This message indicates that the life of the transmission
fluid has expired and it should be changed. See
Scheduled Maintenance on page 6-4 and Recommended
Fluids and Lubricants on page 6-12 for the proper fluid
and change intervals.
When you reset the Change Trans Fluid message by
clearing it from the display, you still must reset the
transmission fluid life monitor separately. For more
information on resetting the transmission fluid life
monitor, see Automatic Transmission Fluid on page 5-25.
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