Click on the information icon next to your bonus funds. If you have fulfilled the wagering requirements for the bonus, your bonus funds should reflect in your available balance. When the progress bar hits 100%, you can convert your bonus funds to cash by clicking "Redeem Bonus."

How do I use a Bonus Bet? To use your Bonus Bet, put your desired selection in the bet slip. You will see in the bet slip an option to use a 'Bonus Bet' for this bet. Note: Bonus Bets are not displayed in your account balance.