The first thing to check is that engine coolant / anti-freeze levels are not low.
Very likely there's not enough and the heater core runs empty as the coolant rushes to side of the engine during turns and cornering.
It might be broken
no
NO!
Pull back your tongue I think.
No
When you blow under a piece of paper, the air flow creates a low-pressure area under the paper, causing it to bend towards the side with higher pressure (usually the top side). The pressure difference between the top and bottom of the paper results in a lifting force that causes the paper to bend.
Bend your thumbs a tiniest bit and alter the amount of blow.
You should refrain from putting electric heaters near combustible materials because heat emitted from the heater is capable of causing the combustible material to blow up or catch fire.
when you blow into it, the sounds goes round and round the tube and eventually comes out of the bell at the end
In Rocky IV; he was pummeled badly by Drago in the first round, and in the second round dies after a fetal blow.
my 2004 Pontiac vibe will not blow heat nor air, worked fine this morning but this evening it quit and won't do anything..
It is probably the heater control valve that is the problem.