Hummer H2 2010 Owner's Manual page 239

BATTERY LOW START VEHICLE
When the vehicle s battery is severely discharged, this
message will display and four chimes will sound. Start
the vehicle immediately. If the vehicle is not started and
the battery continues to discharge , the climate controls,
heated seats and, audio and entertainment systems will
shut off and the vehicle may require a jump start .
These systems will function again after the vehicle is
started.
CHANGE ENGINE OIL SOON
This message displays when the engine oil needs to be
changed. When you change the engine oil, be sure to
reset the CHANGE ENGINE OIL SOON message. See
Engine Oil Life System on page 6 20 for information
on how to reset the message. See Engine Oil on
page 6 18 and Scheduled Maintenance on page 7 3
for more information.
DRIVER DOOR OPEN
This message displays and a chime sounds if the driver
door is not fully closed and the vehicle is shifted out of
P (Park). Stop and turn off the vehicle, check the door
for obstructions, and close the door again. Check to see
if the message still appears on the DIC.
ENGINE HOT A/C (Air Conditioning)
TURNED OFF
This message displays when the engine coolant
becomes hotter than the normal operating temperature.
See Engine Coolant Temperature Gauge on
page 4 33. To avoid added strain on a hot engine, the
air conditioning compressor automatically turns off.
When the coolant temperature returns to normal, the air
conditioning compressor turns back on. You can
continue to drive your vehicle.
If this message continues to appear, have the system
repaired by your dealer as soon as possible to avoid
damage to the engine.
ENGINE OVERHEATED IDLE ENGINE
Notice: If you drive your vehicle while the engine is
overheating, severe engine damage may occur. If an
overheat warning appears on the instrument panel
cluster and/or DIC, stop the vehicle as soon as
possible. See Engine Overheating on page 6 36 for
more information.
This message displays when the engine coolant
temperature is too hot. Stop and allow the vehicle to
idle until it cools down. See Engine Coolant
Temperature Gauge on page 4 33.
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