Use Diagnostic Trouble Codes (DTCs) (from the DTC checks) in the table below to determine the trouble area and proper inspection procedure. The Supplemental Restraint System (SRS) diagnostic trouble code chart is shown below as an example.

Symptom simulation
Problem symptoms tableAudio system types
Entune audio
entune audio plus/entune premium audio with navigation
Owners of models equipped with a navigation system should refer to
the "navigation and multimedia system owner's manual".
Using cellular phones
Interference may be heard through the audio system's speak ...