In Nascar, It Tells a Driver to Make a Pit Stop

This page is the CodyCross answer for the clue below from Health and Fitness, Group 2123, Puzzle 5 (Foam Rollers).

Question is: In Nascar, It Tells a Driver to Make a Pit Stop

and the answer is: BLACKFLAG

Word Meaning:

BLACK FLAG — Any flag that has a black, or predominantly black, color, (especially):

Definitions from Wiktionary.

In NASCAR, It Tells A Driver To Make A Pit Stop - Health and Fitness CodyCross Answers | CodyCross Solutions