But you need to correct this in the FMS on your plane. More than likely, it has nonsense. Who knows where its guiding you.
Before you reach VOGLR (to avoid AP turnaround bug) on the CDU, click KORD28L> Arrival > 28C> No STAR, VOGLR> Insert.
Then RAD NAV and ensure 108.950 is in the LS (Landing System) field.
Then you need to click LS (next to FD) on the “autopilot panel”.
Only once you are within ILS radio frequency reception range, then you should click AP APCH mode. You know you are in reception range if your landing system activates. You will get identifier (I-VZE), Frequency (108.950) and DME distance to target in the bottom left of the PFD. When the Localizer comes alive, you will get horizontal tracking diamond. When the Glideslope comes in, you will get vertical information as well.
Make sure your tray tables are closed and your seats are in the full upright position. NOW, enjoy your landing on KORD28C.
*above pics taken from internet.