Open the fridge door and use the spanner c to rotate the door hinge bolt.

The C-Clip (snap ring) may differ depending on the model.
C-Clip type A

If the door is too low, lift the left door up and use a pair of long nose pliers to insert C-Clips until both doors are level.
C-Clip type B

If the door is too low, lift the left door up and insert only one C-Clip with proper thickness.
If a C-Clip is already inserted on the middle hinge, remove the C-Clip before inserting a new C-Clip.

The door is heavy. To avoid injury, use two or more people to lift and align the fridge door.
Small parts are a swallowing hazard for small children. Keep C-Clips out of the reach of children.