Hey all you SONIC CRUISERSÂ® out there, have we got a pick-me-up for you. Wednesday, April 9 is FREE Mocha Iced LattÃ© night. That's right, from 5 to 8 p.m. anyone who comes in to SONICÂ® Drive-In can enjoy a free 10-oz. Mocha Iced LattÃ©, made with a shot of premium roast espresso and blended with rich, decadent chocolate. Just drive in, hit the red button and this indulgent cup of icy refreshment is all yours.