Turn on the ignition and air conditioning. * Switch the ventilation system to internal circulation, then turn the fan to the highest speed. * Open all air vents. * Make sure all car windows are completely closed. * Place the canister on the front passenger floor mat, making sure the spray does not hit the dashboard directly. * Press the spray button until it locks into place. * Exit the vehicle and close the door immediately. * Wait until the can is completely empty. * Leave the product to work inside the vehicle with the engine running for at least 10 minutes. * Allow fresh air to enter the vehicle before getting in. Auto Scents