Why does my car smell like something is burning after its for along time

After its ran for a long time

does it smell like curry and windows mist up ciuld be heater matrix

It smells like Burt oil

It smells like burnt oil

have you had a look under the hood for oil leak could be rocker cover gasket weeping on to exhaust

it may be using oil

I might the catalytic converter if it's running rich.

It could be is your leveling light blinking? Could be your shocks. If you have passengers or heck a semi heavy suitcase, with the leveling light on the motor that runs the air shocks. Kinda smells like clutch. If you smell something in your car, smells kinda sweet, heater core.