268/560.
23.
To avoid carbon monoxide poisoning, a driver should:
Have their exhaust system checked regularly to be sure there are no leaks.
Keep their engine turned off when their vehicle is enclosed in a garage.
Both of the above.
1 1293 DMV 267 C "" 0

Answer correctly : 0   |   Wrong : 0

Answer Sheet :

Refresh

Refresh this page and redo the question

Restart

Restart this set of tests