Friction from excessive braking causes heat, thus the lubricant on brakes release this burnt smell.
make sure it's not the rear brakes hanging up, see if they feel hot, if you have drum brakes on the back a wheel cylinder could be hanging up.
There are many different kinds of smells that could be coming from the brakes. There could be a burning smell.
If the car is a manual and you are riding or slipping the clutch it could be that. Otherwise if you have been real hard on the brakes lately they can create quite a smell aswell.
A burning smell from a car's brakes means that you are braking very hard or there is a electrical short circuit in the car. Another reason for a burning smell may actually be coming from the car's heater.
the brakes or the emrgen see brakes
ABS brakes are not spongy. If you have spongy brakes the reason is that there is air in the system. You need to have your brakes bled.
If the brakes are too loose that could be a result.
Bacterial growth causes your navel to smell.
what causes the smell of a crayon
your brakes are about to give out... you should go to wal-mart and have them replace them
it is friction and when the water goes on the brakes and tires they bond together