Related Clues:

• Way down
• Fluid-level reading
• Almost out
• Ignoble
• Bummed out, so to speak
• Bottom price over a period
• Gearshift selection
• Needing a fill-up
• Fluid-level reading, sometimes
• Weather-map mark
• *Like bass
• In need of fuel
• Near the floor
• Weather system
• In a funk