Step 1 : Air Fresheners
Use Air fresheners.
Step 2 : Interior should be clean
Keep the interior clean—especially floor mats.
Step 3 : Never smoke or drink
Never smoke or drink alcohol in the car.
Step 4 : Clean AC ducts
Keep cleaning AC ducts with water and vinegar.
Step 5 : Don’t keep the car pack
Don’t keep the car pack every time you drive to let the air go in at times.
Step 6 : Use of baking soda
Sprinkle baking soda on the mats and leave it overnight—then vacuum it out.
Step 7 : Don’t keep the garbage
Don’t keep the garbage in the car—if there’s a dustbin, keep refreshing it.
Step 8 : Always put coffee beans
Put a bag full of coffee beans under the seats.
Step 9 : Use dryer sheets
You can also use dryer sheets and put a packet of them under the front seats.