The sensitivity level of the air quality sensor can be changed using the scan tool. If exhaust fumes are noticed in the vehicle a more sensitive level should be selected.
The following describes the sensitivity settings to choose from:
| • | Seven is the least sensitive to exhaust. |
| • | Six is less sensitive than 5. |
| • | Five is less sensitive than 4. |
| • | The production setting and default value is 4. |
| • | Three is more sensitive than 4. |
| • | Two is more sensitive than 3. |
| • | One is the most sensitive to exhaust. |
Use the following procedure in order to change the sensitivity level:
- Connect the scan tool.
- Turn ON the ignition, with the engine OFF.
- Select HVAC Module.
- Select HVAC Systems Automatic.
- Select Special Functions.
- Select IPM.
- Select Air Quality Sensor Sensitivity Level.
- Choose a sensitivity level from 1-7.
- Select ENTER to enable the new selection.
- When done, use the soft key to save changes.
