Cadillac 2005 DeVille Owner's Manual page 180

ENGINE HOT–AC OFF – 16: 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 A/C operation will automatically
resume. 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
compressor damage.
ENGINE OVERHEATED, STOP ENGINE – 42: This
message will appear when the engine has overheated.
Stop and turn the engine off immediately to avoid
severe engine damage. See Engine Overheating on
page 5-27. A multiple chime will also sound when this
message is displayed.
ENGINE POWER REDUCED – 41: This message
informs you that the vehicle is reducing engine power
because the transaxle is being placed in gear under
conditions that may cause damage to the vehicle's
engine, transaxle or ability to accelerate.
FUEL LEVEL LOW – 11: This message serves as a
warning that the fuel level in the tank is critically
low. Stop for fuel soon. A single chime will sound when
this message is displayed.
3-64
HEADLAMPS SUGGESTED – 23: If it is dark enough
outside and the headlamps and Twilight Sentinel
controls are off, this message will display on the DIC. This
message informs the driver that turning on the exterior
lamps is recommended even though the DRL are still
illuminated. It has become dark enough outside to require
the headlamps and/or other exterior lamps. This
message will also appear if the optional Rainsense™
wiping feature is on and the Twilight Sentinel
ICE POSSIBLE – 13: This message appears when the
outside air temperature is cold enough to create icy
road conditions.
LEFT REAR DOOR AJAR – 142: The left rear door is
open or ajar when this message appears. The ignition
must be in ON and the transaxle not in PARK (P) for this
message to display. A chime will sound if the vehicle's
speed is greater than 3 mph (5 km/h).
OIL PRESSURE LOW STOP ENGINE – 35: If this
message appears while the engine is running, stop the
engine and do not operate it until the cause of low
oil pressure is corrected. Severe damage to the engine
can result. A multiple chime will sound when this
message is displayed.
®
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is off.