Instrument Panel Illumination
Control
The brightness of the instrument
cluster display, infotainment display
and controls, steering wheel
controls, and all other illuminated
controls, as well as feat
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Opel encourages customers to call
the toll-free number for assistance.
However, if a customer wishes to
write or e-mail Opel, the letter
should be addressed to:
United States and Puerto Rico
Opel Customer Assistance Center
P.O. Box 33136
Detroit, MI 48232-5136
www.Opel.com
1-800-521-7300
1-800-832-
Ambient Air Temperature Calculation Reset (with Ambient Air
Temperature Sensor Wired to ECM)
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Diagnostic
System Check - Vehicle
Review the description of Strategy Based Diagnosis:Strategy Based