When Sequencer is active, the Glide on/off button does not work.
I know you can program glide on/off per step in a sequence, but also in sequences without glide steps programmed, the switch does not toggle.
If you (temporarily) switch off Sequencer, you can toggle Glide on/off, and switch on Sequencer again.
In my opinion the Glide on/off button should always work, no?