Mustafa’s DPF warning-light breakdown **1. (at top) The high exhaust temperature light indicates that passive regeneration is occurring. This occurs when the engine is under at least 50 percent 8. Press the manual regeneration button on the dashboard (see figure 1 ). 9. The engine will automatically be brought to a preset speed and the DPR warning light will remain on without flashing. 10. Wait up to 15 + 20 minutes. 11. The procedure is complete when the DPR filter warning light turns off and the engine returns to idle speed. It is common for DPF’s to be replaced once the vehicle has driven 120,000 – 200,000kms with that DPF. You may also need to replace the DPF if you notice any of the signs of a clogged filter, even if the warning light has not yet appeared. A DPF’s life span can vary depending on the car’s usage and the type of driving it is subjected to FAVPD.