Cadillac CTS 2007 User Manual page 128

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Engine Coolant Hot – Idle Engine
This message will appear when the engine coolant
temperature is too hot. Stop and allow the
vehicle to idle until it cools down.
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" in your
vehicle's owner manual for more information.
128
This symbol appears
with the Engine Coolant
Hot – Idle Engine
message.
Engine Coolant Hot – AC
(Air Conditioning) Off
This message displays when the engine coolant
becomes hotter than the normal operating
temperature. 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 dealer as soon as
possible to avoid damage to the engine or
transmission.
This symbol appears
with the Engine
Hot – AC Off message.

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