With Scan Tool
- Ignition - On/Vehicle - In Service Mode & Engine - Off
- Select: Module Diagnostics
- Select: [K20] Engine Control Module
- Select: Configuration/Reset Functions
- Select: Air Cleaner Monitor Setup
- Select: Reset
- Verify the scan tool parameter: Air Cleaner Life Remaining = 100%
- If not the specified value
Repeat the procedure starting at step 1
- Go to next step: If the specified value
- If not the specified value
- All OK.