There not inoperable, they will slide open, fairly stiff when new. After many opening and closings of ours they are working just fine, DW couldn't open them for the first little bit. Just don't hit the red handle unless you need to.
2018 Black Rock 24kts, 300 watts Solar, 4-230ah gc2’s
2008 Dodge 3500 4x4, 6.7 Cummins, full delete, 6 spd man. Firestone bags.