A "glass sunroof" refers to a part of a vehicle's roof that is made of glass, allowing sunlight to enter the car and creating a transparent ceiling. Full definition
A standard panoramic glass sunroof with much larger dimensions than the predecessor offers passengers additional comfort. (press.bmwgroup.com)
There's also a standard power glass sunroof that is now nearly five inches longer than before, plus available Dynamic Handling technology and Adaptive M suspension. (automobilemag.com)
Other features include a leather wrapped steering wheel, heated front seats, and an available power - tinted glass sunroof. (mercedesbenzofdenver.com)