Once you set up your account, you should receive the offer immediately. You can claim your FREE Slush by clicking “redeem” and showing the coupon to your carhop at any participating Sonic Drive-In!
Keep in mind that you can also stop by Sonic Drive-In for 99¢ Large Drinks & Slushes every day until 10AM and Half-price Shakes after 8PM throughout the remainder of the summer! Also, enjoy happy hour every day from 2PM-4PM with half-price drinks and slushes.
What’s your favorite Sonic drink?