Visual/Physical Inspection
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect for aftermarket devices which could affect the operation of the audible warnings, driver information center (DIC) or instrument panel cluster (IPC). 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 the message display works properly during the displays test.