YSK: if you’re sitting in your car and running it to warm up, make sure your tail pipe is clear of snow
from /r/YouShouldKnow
YSK：如果你坐在车里，跑着跑着就热起来了，请确保你的尾管没有积雪。
YSK：如果你坐在车里，跑着跑着就热起来了，请确保你的尾管没有积雪。
YSK: if you’re sitting in your car and running it to warm up, make sure your tail pipe is clear of snow
from /r/YouShouldKnow