She reaches the switch eventually, struggling to pull it towards herself with her foot. Her vision scopes out the entire pathway that she just came from.

RHYKER: I really hope I don't have to go the entire way back.
As the lever's pulled, the lights above Rhyker and Leti's elevators turn green- you can only assume that yours does as well.

…unfortunately for Rhyker and her "companion", nothing else changes.

Looks like she's gotta do it.