2004 CADILLAC DEVILLE ECU

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Page 88 of 460

CADILLAC DEVILLE 2004 8.G Owners Manual If a door or the trunk is opened without a key or a
remote keyless entry transmitter, the horn will sound
and the lamps will �ash for about 30 seconds.
Remember, the theft-deterrent system will not ar

Page 89 of 460

CADILLAC DEVILLE 2004 8.G Owners Manual Valet Lockout Switch
The valet lockout switch
is located inside the
glove box.
Press the switch to ON to disable the use of the trunk,
fuel door, garage door opener and optional cellular
telephone. Th

Page 90 of 460

CADILLAC DEVILLE 2004 8.G Owners Manual PASS-Key®III Operation
Your vehicle is equipped with the PASS-Key®III
(Personalized Automotive Security System)
theft-deterrent system. PASS-Key
®III is a passive
theft-deterrent system. This means

Page 91 of 460

CADILLAC DEVILLE 2004 8.G Owners Manual It is possible for the PASS-Key®III decoder to learn the
transponder value of a new or replacement key. Up to 10
additional keys may be programmed for the vehicle. This
procedure is for learning addi

Page 111 of 460

CADILLAC DEVILLE 2004 8.G Owners Manual Outside Convex Mirror
Your passenger’s side mirror is convex. A convex mirror’s
surface is curved so you can see more from the driver’s
seat. This mirror does not have a dimming feature.
{CAUTIO

Page 114 of 460

CADILLAC DEVILLE 2004 8.G Owners Manual HomeLink®Transmitter
HomeLink®, a combined universal transmitter and
receiver, provides a way to replace up to three
hand-held transmitters used to activate devices such as
gate operators, garage do

Page 115 of 460

CADILLAC DEVILLE 2004 8.G Owners Manual Programming the HomeLink®
Transmitter
Do not use the HomeLink®Transmitter with any garage
door opener that does not have the “stop and reverse”
feature. This includes any garage door opener mode

Page 119 of 460

CADILLAC DEVILLE 2004 8.G Owners Manual Cellular Telephone
Your vehicle may have been prewired for dealer
installation of a portable cellular telephone system. The
system has steering wheel telephone controls and
information output through