2001 CADILLAC DEVILLE light

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Page 158 of 397

CADILLAC DEVILLE 2001 8.G Owners Manual 2-88
Malfunction Indicator Lamp (Service
Engine Soon Light in the United States 
or Check Engine Light in Canada)
United States Canada (Analog Only)
Your vehicle is equipped with a computer which
moni

Page 159 of 397

CADILLAC DEVILLE 2001 8.G Owners Manual 2-89
NOTICE:
Modifications made to the engine, transaxle,
exhaust, intake or fuel system of your vehicle or
the replacement of the original tires with other
than those of the same Tire Performance Cri

Page 160 of 397

CADILLAC DEVILLE 2001 8.G Owners Manual 2-90
If the Light Is Flashing
The following may prevent more serious damage to
your vehicle:
Reducing vehicle speed.
Avoiding hard accelerations.
Avoiding steep uphill grades.
If you are towing a

Page 161 of 397

CADILLAC DEVILLE 2001 8.G Owners Manual 2-91
Have you recently changed brands of fuel?
If so, be sure to fuel your vehicle with quality fuel. 
See ªFuelº in the Index. Poor fuel quality will cause
your engine not to run as efficiently as

Page 162 of 397

CADILLAC DEVILLE 2001 8.G Owners Manual 2-92
Oil Pressure Light
This light tells you if there
could be a problem with
your engine oil pressure.
The light goes on when you turn your key to ON. It goes
off once you start your engine. Thats a

Page 163 of 397

CADILLAC DEVILLE 2001 8.G Owners Manual 2-93
Security Light
For information regarding
this light, see ªTheft
Deterrent
-Systemº in 
the Index.
Fog Lamp Light (If Equipped)
This light will come on
when the fog lamp button 
is pressed. For

Page 170 of 397

CADILLAC DEVILLE 2001 8.G Owners Manual 2-100
BATTERY VOLTAGE LOW - 6: This message 
will appear when the electrical system is charging less
than 10 volts or if the battery has been drained. If this
message appears immediately after startin

Page 173 of 397

CADILLAC DEVILLE 2001 8.G Owners Manual 2-103
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