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Cadillac STS Owner Manual - 2011
ENGINE COOLANT HOT 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. Do not increase the engine speed above
normal idling speed. See Engine Overheating
on
page 6‑30
for more information.
This symbol appears
with this message.
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 Warning Light on page 4‑61.
See Overheated Engine Protection Operating Mode
on
page 6‑32
for information on driving to a safe place in
an emergency.
ENGINE HOT – AC
(Air Conditioning) OFF
This message displays when the engine coolant
becomes hotter than the normal operating temperature.
See Engine Coolant Temperature Gauge
on
page 4‑61
. 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 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 POWER REDUCED
This message displays when the engine power is
being reduced to protect the engine from damage.
There could be several malfunctions that might cause
this message. Reduced engine power can affect the
vehicle's ability to accelerate. If this message is on, but
there is no reduction in performance, proceed to your
destination. The performance may be reduced the
next time the vehicle is driven. The vehicle may be
driven at a reduced speed while this message is on, but
acceleration and speed may be reduced. Anytime this
message stays on, take the vehicle to your dealer for
service as soon as possible.
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