Brandt DSF13526W Instruction Manual page 13

Filling The Detergent Dispenser
Please choose an open way according
to the actual situation
Open the cap by sliding the release
catch.
Open the cap by pressing down the
release catch.
Be aware that depending on the soiling of water, setting may be different.
Please observe the manufacturer's recommendations on the detergent packaging.
Add detergent into the larger cavity
(A) for the main wash cycle .
For better cleaning result, especially if
you have very dirt items, pour a small
amount of detergent onto the door.
The additional detergent will activate
during the pre-wash phase.
Close the flap by sliding it to the
front and then pressing it down.