Cadillac 2004 CTS - Manual (Page 198)

Service Transmission
This symbol appears with
the Service Transmission
message.
There is a problem with the transmission of your
vehicle. Have your vehicle serviced at your dealership.
Service Vehicle Soon
This symbol appears with
the Service Vehicle Soon
message.
This message is displayed when a non-emissions
related powertrain malfunction occurs. Have your
vehicle serviced at your dealership as soon as possible.
Starting Disabled – Remove Key
This symbol appears
with the Starting
Disabled – Remove Key
message.
This message will appear when the vehicle
theft-deterrent system detects that an improper ignition
key is being used to try to start the vehicle. Check
the ignition key for damage. If it is damaged, it may need
to be replaced. If it is not damaged, remove the key
and try to start the vehicle again. If it still does not start,
try another ignition key or have your vehicle serviced
at your dealership.
3-76