The crash in Folsom occurred a little before 3 p.m. Tuesday. Police tell KCRA-TV the driver of the Lexus SUV had parked and was trying to adjust the position of her vehicle when she accelerated.
The SUV went around barriers and into the store. The driver and a passenger in the vehicle were not injured.
Six people inside the store were taken to a hospital, one of them with serious injuries. The other five people's injuries were considered minor.
Police say the driver did not appear to be under the influence of drugs or alcohol and was not on a cellphone.
Information from: KCRA-TV.