McDonald said the car balanced on a patio chair over a woman who lay on her stomach, bleeding, with the car and a chair atop her. The woman's son was stuck in a crouching position beneath the car near her.
Manager Sarah Gehringer said the restaurant may have had 150 people inside and on the patio before the crash.
One of the injured was a restaurant employee who was standing near the window when the car burst through. Gehringer said he was knocked into the kitchen by the force of the crash and was hospitalized.
Police said the Lexus was heading westbound on the busy thoroughfare when it hit at least two other vehicles before veering across a median toward the restaurant.
A half-moon set of skid marks crossed three travel lanes and two turn lanes leading toward the picture windows of the restaurant set at the end of a strip mall complex.
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