WARNING   WARNING:  Do not park or idle your vehicle over dry leaves, dry grass or other combustible materials. The regeneration process creates very high exhaust gas temperatures and the exhaust will radiate a considerable amount of heat during and after regeneration and after you have switched the engine off. This is a potential fire hazard.
WARNING   WARNING:  The normal operating temperature of the exhaust system is very high. Never work around or attempt to repair any part of the exhaust system until it has cooled. Use special care when working around the diesel oxidation catalytic converter or the diesel particulate filter. The diesel oxidation catalytic converter and the diesel particulate filter heat up to very high temperatures after only a short period of engine operation and remain hot after you switch the engine off.
WARNING   WARNING:  Exhaust leaks may result in entry of harmful and potentially lethal fumes into the passenger compartment. If you smell exhaust fumes inside your vehicle, have your vehicle inspected immediately. Do not drive if you smell exhaust fumes.

Your vehicle has various emission control components and a diesel particulate filter that enables it to comply with applicable exhaust emission standards. It filters harmful diesel particulates, for example soot from the exhaust gas.
To avoid damaging the diesel particulate filter:
  • Do not crank the engine for more than 10 seconds at a time.
  • Do not push-start or tow-start your vehicle. Use booster cables. See  Jump Starting the Vehicle . 
  • Do not switch the ignition off when your vehicle is moving.
  • Do not ignore warning lamps or information messages regarding exhaust system cleaning and regeneration.
Note:   This could result in damage not covered by the vehicle Warranty.
On-Board Diagnostics System
Your vehicle has an on-board diagnostics system that monitors the emission control system. If any of the following warning lamps illuminate, this indicates that the on-board diagnostics system has detected an emission control system malfunction.
Engine Coolant Temperature Warning Lamp  Engine coolant temperature warning lamp.Ignition Warning Lamp  Ignition warning lamp.
Engine Warning Lamp  Malfunction indicator lamp.Engine System Fault Warning Lamp  Powertrain warning Lamp.
Water/Moisture in Fuel System  Water in fuel warning lamp.
If you continue to drive your vehicle with a warning lamp illuminated, the engine could stop without warning.This could result in damage not covered by the vehicle warranty. Have your vehicle checked as soon as possible.
See  Warning Lamps and Indicators . 
Diesel Particulate Filter Automatic Regeneration
WARNING   WARNING:  Do not park or idle your vehicle over dry leaves, dry grass or other combustible materials. The regeneration process creates very high exhaust gas temperatures and the exhaust will radiate a considerable amount of heat during and after regeneration and after you have switched the engine off. This is a potential fire hazard.
WARNING   WARNING:  The normal operating temperature of the exhaust system is very high. Never work around or attempt to repair any part of the exhaust system until it has cooled. Use special care when working around the diesel oxidation catalytic converter or the diesel particulate filter. The diesel oxidation catalytic converter and the diesel particulate filter heat up to very high temperatures after only a short period of engine operation and remain hot after you switch the engine off.

The diesel particulate filter on your vehicle requires periodic regeneration to maintain correct operation. The emission control system automatically carries out this process. As soot gathers in the system it begins to restrict the filter. The soot that gathers inside the filter is cleaned in two different ways, passive regeneration and active regeneration. Both methods occur automatically and require no actions from the driver. During automatic regeneration, the system cleans the diesel particulate filter by oxidizing the soot. Cleaning happens during normal engine operating conditions at varying levels depending on driving conditions.
Diesel Particulate Filter Regeneration  Diesel particulate filter warning lamp.
If the diesel particulate filter is near or at saturation, a warning lamp or information message appears in the information display. Drive your vehicle in a manner to allow effective diesel particulate filter cleaning.
The warning lamp continues to illuminate until the automatic regeneration process completes. Continue to drive your vehicle in a manner to allow effective diesel particulate filter cleaning until the warning lamp turns off.
Failure to carry out regeneration when required could result in a clogged diesel particulate filter. If the diesel particulate filter fills beyond the regeneration threshold, the system disables the ability to carry out regeneration. This could result in damage not covered by the vehicle warranty.
Where vehicle use meets any of the following conditions:
  • Driving short distances.
  • Prolonged engine idling.
  • Frequently switching the engine on and off.
  • High levels of acceleration and deceleration.
We recommend you assist the regeneration process by:
  • Avoiding prolonged engine idling.
  • Drive your vehicle in a manner to allow effective cleaning. Drive at a steady vehicle speed of 48 km/h (30 mph) or above for approximately 20 minutes.
Engine Warning Lamp  If the soot load in the diesel particulate filter reaches a critical level, the malfunction indicator lamp illuminates with the diesel particulate filter warning message. A service regeneration must be performed to recover the particulate filter. Have your vehicle checked as soon as possible to prevent further damage.
Automatic regeneration raises the exhaust temperature to eliminate the soot particles. During cleaning, soot particles are converted to harmless gasses. Once cleaned, the diesel particulate filter continues to trap harmful diesel particles.
If you are driving your vehicle in a manner that allows effective cleaning, a message may appear in the information display to indicate automatic regeneration is in progress.
If you are not driving your vehicle in a manner that allows effective cleaning, a message may appear in the information display to instruct you to drive in a manner that allows automatic regeneration.
The automatic regeneration process is most effective when you drive at a steady vehicle speed of 48 km/h (30 mph) or above for approximately 20 minutes. The frequency and duration of the regeneration process varies by how you drive your vehicle, the outside air temperature and altitude. Frequency varies between 160 km (100 mi) and 500 km (310 mi) and each regeneration process lasts between 10 and 20 minutes.
Note:   Changes in the engine or exhaust sound may be heard during the regeneration process.
Note:   During regeneration at low speed or engine idle, you could smell a hot metallic odor and could notice a clicking metallic sound.This is due to the high temperatures reached during the regeneration process. This is normal.

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