Consumers in search of a new car want advanced safety features that help prevent them getting into a crash, but are more wary of technology that drives for them, according to a new U.S. survey by Consumer Reports.

Of drivers planning on buying a new or used vehicle in the next two years, 51 percent say it is important that their next car have a rearview camera or backup warning, and 45 percent say they want a blind spot warning system. Only 11 percent want a car with technology that automatically accelerates, brakes, or steers.

As automakers increasingly offer partial automation technology such as adaptive cruise control, lane-centering assist, and lane-keeping assist, safety experts say drivers are not yet comfortable with depending on it.

“These haven’t even been out long enough to have proven themselves safe, so it seems natural that drivers want to maintain control until the technology proves its effectiveness,” said Kelly Funkhouser, Program Manager for Vehicle Interface at Consumer Reports. “Consumers don’t yet think their cars are better drivers than they are—but they want their cars to help them become better drivers.”