Why do NASCAR drivers swerve there cars left to right during a caution?

Question:
What purpose does it serve?

Answers:

Do all european cars have heated seats but the heating button is optional to make them work?

i think its to help keep the tires warm so they don't shred when they go from around 30 up to 230+mph in a couple of seconds

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Random Thought: What does a weather radar cost?

they do this to heat their tires up and to get them scruffed up.it makes the tires grip better.

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What can you say about the dodge caliber model?it is good car or not?how about toyota corolla??whats the diff?

I always heard it was to keep their tires hot or something like that. I think it looks cool.

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Best way to remove the smoke smell from a used car bought from a smoker?

to keep the tires from cooling off and to scrub off any loose rubber or any debris picked up while they were under caution

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What Kind Of Dirtbike Should I purchase?

they clean the stones and debris off the tires so they get a good restart.

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