Visual/Physical Inspection
- Inspect for aftermarket devices which could affect the operation of the instrument cluster, the driver information display, or the audible warnings. Refer to CHECKING AFTERMARKET ACCESSORIES .
- Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
- For any indicator or message relating to fluid level, perform a visual inspection of the fluid level before beginning diagnosis.
- Verify that the indicators and message display works properly during the displays check.