Edwards & Co OSCAR MX HMV501 Instruction Manual page 11

ATTACHING & REMOVING THE SEAT
Attaching
1. To install the seat unit, insert the tongues on the seat unit into the
stroller frame adapter housing. You can install the seat in forward
or reverse position.
Removing
1. There are two buttons located on the stroller frame, just
underneath where the seat unit's tongue connects . Press one of
the release buttons until it depresses (it will stay depressed).
2. Press the second release button on the other side until it
depresses. You do not need to press each button simultaneously.
3. Lift the seat unit up as pictured.