For safe use -> Exhaust gas precautions for Your Toyota Prius 4 Door Fourth Generation (2016-2022)

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1-1. For safe use  
Exhaust gas precautions  
Harmful substance to the human body is included in exhaust  
gases if inhaled.  
1
WARNING  
Exhaust gases include harmful carbon monoxide (CO), which is colorless and  
odorless. Observe the following precautions.  
Failure to do so may cause exhaust gases enter the vehicle and may lead to  
an accident caused by light-headedness, or may lead to death or a serious  
health hazard.  
Important points while driving  
Keep the back door closed.  
If you smell exhaust gases in the vehicle even when the back door is  
closed, open the side windows and have the vehicle inspected at your  
Toyota dealer as soon as possible.  
When parking  
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 vehi-  
cle.  
Exhaust pipe  
The exhaust system needs to be checked periodically. If there is a hole or  
crack caused by corrosion, damage to a joint or abnormal exhaust noise, be  
sure to have the vehicle inspected and repaired by your Toyota dealer.  
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