LOS ANGELES—DoorDash is launching two new safety features in its app to improve safety for food deliverers—the safety reassurance call and the emergency assistance button. The announcement came hours after a woman was shot while making a DoorDash delivery in La Mirada. Sheriff’s officials said the woman was followed by suspects in a silver sedan, and after she delivered an order in the 13000 block of El Moro near Foster Road around 11:40 p.m. on Nov. 3, shots were fired into her car, striking her in the abdomen. The woman was able to drive to Buena Park in Orange County, where she called deputies and was taken to a hospital. It was unclear if her work with DoorDash had any connection to the shooting. Sheriff’s officials said they were investigating another shooting around 6:15 p.m. Tuesday in South Whittier, also involving suspects in a silver sedan. DoorDash deliverers in Los …