BK118

I have a 2014 Chevy equinox LT and when you turn the car on it will say service parking assist on the display in the dash. The one next to the speedo. But if you look at the number I dont see and sensors like every other car has. Also when in reverse it doesnt make any noises or show any guidelines. And yes I have gone through the settings to try and change that. Can anyone point me in the right direction to get the error message gone. I've looked all over google and youtube to find the sensors or how to replace them and came up with nothing. Please help!! Thank you.