N6026Y Brake Fluid
The brake fluid reservoir on the Bonanza has a dipstick with markings for "full" and "add" but Richard at Triad aviation advised that because it is mounted so high, as long as there is fluid on the dipstick, the level is fine. If you choose to add fluid, it is on the maintenance shelf labeled "hydraulic fluid" but also marked "brake fluid" with a sharpie.
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Leaning the Bo for higher altitude takeoffs and climb.
For reference, here is the old FF gauge. I put the FF numbers on my Foreflight climb checklist.