WARNING
vehicle is parked in a poorly ventilated area, exhaust gases may accumulate and enter the
vehicle.
Exhaust gas precautions
Harmful substance to the human body is contained in exhaust gases if inhaled.
WARNING
Exhaust gases contain harmful carbon monoxide (CO), which is colorless and odorless.
Observe the following precautions.
Failure to do so may cause exhaust gases to enter the vehicle. This may cause light-head-
edness, possibly leading to an accident, death or a serious health hazard.
● Keep the back door closed while driving.
If you smell exhaust gases in the vehicle even when the back door is closed, open
the windows and have the vehicle inspected at any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer as soon as possible.
● If the vehicle is in a poorly ventilated area or a closed area, such as a garage, stop the
hybrid system.
● Do not leave the vehicle with the hybrid system on for a long time. If such a situation
cannot be avoided, park the vehicle in an open space and ensure that exhaust fumes
do not enter the vehicle interior.
● Do not leave the hybrid system operating in an area with snow build-up, or where
it is snowing. If snowbanks build up around the vehicle while the hybrid system is
operating, exhaust gases may collect and enter the vehicle.
● The exhaust system needs to be checked periodically. Check for the following. If
any are found, have the vehicle inspected by any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer.
• Holes or cracks in the exhaust pipes due to corrosion
• Damage at the joining parts of the exhaust pipes
• Abnormal noise from the exhaust
GPF (Gasoline Particulate Filter) system and its performance
The GPF system collects particulate matter in the exhaust gas by using an exhaust
gas filter. To prevent particulate matter from accumulating in the filter, the system
will automatically operate to regenerate the filter, depending on the vehicle condi-
tions.
2-3. Parking the vehicle
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