Bosch 500 Series 30 Inch Double Speed Combination Electric Wall Oven Use and Care Manual - Manual (Page 35)

Cleaning and maintenance en-us
35
5.
Push the levers on both the hinges up and forward until
they are locked into the slot and flush with the front of
the oven body.
6.
Close and open the door slowly to be sure it is correctly
and securely in place.