Cadillac 2005 CTS - Manual (Page 197)

Service AC (Air Conditioning) System
This message appears when the electronic sensors
that control the air conditioning and heating systems are
no longer working. Have the climate control system
serviced by your GM dealer if you notice a drop
in heating and air conditioning efficiency.
Service Air Bag
There is a problem with the airbag system when this
message appears. Have your vehicle serviced by your
GM dealer immediately. See
Airbag Readiness Light
on page 3-39 for more information.
Service Charging System
This message will display when a problem with the
charging system has been detected. Have your vehicle
serviced by your GM dealer.
Service Electrical System
This message will display if an electrical problem has
occurred within the Powertrain Control Module (PCM)
or the ignition switch. Have your vehicle serviced by your
GM dealer.
Service Fuel System
The Powertrain Control Module (PCM) has detected a
problem within the fuel system when this message
appears. Have your vehicle serviced by your GM dealer.
Service Idle Control
A problem with the idle control has occurred when this
message displays. Have your vehicle serviced by
your GM dealer.
Service Stability System Message
Your vehicle may be equipped with a vehicle stability
enhancement system called Stabilitrak
® .
See Stabilitrak ® System on page 4-11. The Service
Stability System message will be displayed if there has
been a problem detected with Stabilitrak
® .
If the Service Stability System message comes on while
you are driving, pull off the road as soon as possible
and stop carefully. Try resetting the system by turning
the ignition off then back on. If the Service Stability
System message still stays on or comes back on again
while you are driving, your vehicle needs service.
Have the Stabilitrak
® System inspected by your
GM dealer as soon as possible.
3-71