It Tells You When You Need to Refill Your Gas Tank

This page is the CodyCross answer for the clue below from Apothecary, Group 1972, Puzzle 5 (Surgical Instrument).

Question is: It Tells You When You Need to Refill Your Gas Tank

and the answer is: FUELGAUGE

Word Meaning:

FUEL GAUGE — An instrument, usually mounted on an instrument panel, which indicates the quantity of fuel in the fuel tank(s).

Definitions from Wiktionary.

It Tells You When You Need To Refill Your Gas Tank - Apothecary CodyCross Answers | CodyCross Solutions