You can sanitize your car air vents by removing the cover and vacuuming up dust that may have settled there. You can also try leaving the air running for a while to get rid of the odor.
All cars have radios and vents for the air conditoner
what is the best quiet air sleeve conditioner
Return air vents.........
it run out of frion.
Because it needs refilling
form_title=Charge Your Air Conditoner form_header=In the summer heat and humidity, the air conditioner is very important. Keep it functioning at top shape. When was the last time the unit was charged?=_ How long does the unit take to blow cold air?=_ Do the AC fans work correctly?= () Yes () No
I'm not sure what vents you are talking about, but usually air vents are known to be working if there is air flowing through them.
2 1/2 ton
On average 12 to 16 lbs
the middle vents only supply air from the ac unit using a separate in dash fan. the floor and defrost vents come only from the heater
Cold air return vents are the ones on the wall
Cleaning air duct systems is best done by using high powered vacuum systems which will remove the build up of dust. Using the high powered vacuum through the vents gives the best results and do not forget to reseal the vents when finished.