BROOKLYN - Community advocates are offering tips to ensure cab riders are taking a safe, legal car following the alleged rape of a livery passenger last week.

Police are still searching for the driver who they say sexually assaulted a 35-year-old woman when she got into an SUV livery cab in East Flatbush on Sept. 17.

Advocates say that the first thing to look for before getting into a livery cab is a diamond sticker on the front windshield and license plates from the Taxi and Limousine Commission.

Once inside, there should be identification posted on the back of the seat, along with a passenger bill of rights and signage of the car service with which the driver is registered. Officials say that if riders do not see any of those five points, they should cancel the ride and call 311 to file a complaint.

It's unclear if the cab involved in the alleged attack had the markings of a legal car.