|
Have their exhaust system checked regularly to be sure it does not leak.
|
|
|
Keep their engine turned off when the car is in an enclosed garage.
|
|
|
Close vents when following closely behind another car.
|
|
|
All of the above.
|
28/50.
23.
To avoid carbon monoxide poisoning, drivers should:
Answer correctly : 0 | Wrong : 0
Answer Sheet :
Refresh
Refresh this page and redo the question
Restart
Restart this set of tests