The Citi / AAdvantage Executive's new benefits are live: 6 things to do now

The Citi® / AAdvantage® Executive World Legend Mastercard® — formerly the Citi® / AAdvantage® Executive World Elite Mastercard® — just underwent a significant refresh, and its new benefits are now live.For existing cardholders, that means it's time to take a few steps to make sure you're getting as much value as possible from the card's new perks, including a new American Airlines Vacations credit, elite status for hotels and rental cars and additional statement credits.The card's annual fee is also increasing from $595 to $695, making it more important than ever to take advantage of its benefits.New cardmembers will pay the higher fee beginning Aug. 23, while existing cardmembers will transition to the new fee on a rolling basis.Here are six things you should do now to make the most of the refreshed card.Use your $250 American Airlines Vacations credit before it expiresOne of the card's biggest new perks is up to $500 in American Airlines Vacations statement credits annually, split into two six-month periods: up to $250 from Jan. 1 through June 30 and another $250 from July 1 through Dec. 31.The good news is that even though the benefit is launching partway through the second half...