6. Compensation request
WARNING: This page is about a different car, the 2001 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
When the A/C compressor is on, and when the electrically heated rear window or radiator fan is on, the air mass/combustion required to compensate for the increased load is calculated. The value is sent to box 8.