[Donut]

Battery level and current draw definitely.

In the case of the shooter wheel, another speed indicator (we had one this year already).

Warning lights with important text on them (these could be read by your secondary driver/coach in the second they're not yelling about something). For example, I would like an "arm elevation failure" light to turn on when the fuse for my pneumatic elevator on the arm blows out.

A few other random nice lights too if they have a good reason.

Robot speed I'd only see as important in testing, not on the field.