my reair blows when the control knobs are turn off when air is turn off also so on 2005 Nissan Armada

when the main air is turn off

Asked by for the 2005 Nissan Armada
1 answer
put the air selector on recirculate not 'fresh' check owners manual , on some models it defaults to fresh on certain auto-climate control settings and you have to manually switch it IF your not sure what 'recirculate' button or symbol looks like , have someone who does , show you.