Or Fastbreak, you set those choices in your account settings and after that the only way to opt for it or against is changing the setting. When making the reservation the cost is shown but you can not select it or not select it based on your setting in your account for LDW, PAE or SLI. When making a reservation it shows below the GPS/Child seat etc, checkbox is grayed out with "Declined" if your setting is set to decline.