Change Engine Oil; Oil Pressure Low; Engine Coolant Hot; Check Oil Level - Hummer H2 2004 Owner's Manual

CHANGE ENGINE OIL

This message is displayed when the engine oil needs to
be changed and service is required for your vehicle.
See Scheduled Maintenance on page 6-4 and Engine
Oil on page 5-14 for more information. Also see "GM Oil
Life System" previously in this section for information
on how to reset the message. This message will
clear itself after 10 seconds until the next ignition cycle.

CHECK OIL LEVEL

If the oil level in the vehicle is low, this message will
appear on the DIC. Check the oil level and correct it as
necessary. You may need to let the vehicle cool or
warm up and cycle the ignition to be sure this message
will clear. Once the problem is corrected, pressing
the select button will clear this message from the DIC
display. This message will clear itself after 10 seconds
until the next ignition cycle.

OIL LIFE RESET

This message will appear on the display for about
10 seconds after resetting the change engine
oil message.

OIL PRESSURE LOW

If low oil pressure levels occur, this message will be
displayed on the DIC and a chime will sound. Stop the
vehicle as soon as safely possible and do not operate
it until the cause of the low oil pressure has been
corrected. Check your oil as soon as possible and have
your vehicle serviced.

ENGINE COOLANT HOT

If the cooling system temperature gets hot, this message
will appear in the DIC. Stop the vehicle and let the
engine idle in PARK (P) to allow the coolant to reach a
safe temperature. This message will clear when the
coolant temperature drops to a safe operating
temperature. Pressing the select button will clear it from
the DIC display.

LOW COOLANT LEVEL

If your vehicle has a low coolant sensor and the engine
coolant level is low, this message will appear on the
DIC. Adding coolant will clear the message. This
message will clear itself after 10 seconds until the next
ignition cycle.
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