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ENGINE HOT – AC
(Air Conditioning) OFF
This message will display when the engine coolant
becomes hotter than the normal operating temperature.
See Engine Coolant Temperature Gage on page 3-67.
To avoid added strain on a hot engine, the air
conditioning compressor is automatically turned off.
When the coolant temperature returns to normal, the air
conditioning compressor will turn back on. You can
continue to drive your vehicle.
If this message continues to appear, have the system
repaired by your GM dealer as soon as possible to avoid
damage to your engine.
ENGINE OVERHEATED STOP 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. Do not increase the engine speed above
normal idling speed. See Engine Overheating on
page 5-31 for more information.
This message will display when the engine has
overheated. Immediately look for a safe place to pull
your vehicle over and turn the engine off right away to
avoid severe engine damage. See Engine Overheating
on page 5-31 and Overheated Engine Protection
Operating Mode on page 5-32. A chime will also sound
when this message is displayed.
ENGINE POWER REDUCED
This message informs you that the engine power is
being reduced to protect the engine from damage. There
could be several malfunctions that might cause this
message. Have your vehicle serviced by your GM dealer
as soon as possible.
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