noun
novice driver mark; beginner symbol
The V-shaped green and yellow symbol that newly qualified drivers in Japan must display on their cars. Also called 若葉マーク.
In Japan, you must display the novice driver mark on your car for one year after getting your driver's license.
あの車には初心者マークが貼ってあるから、少し車間距離を多めに取ろう。
That car has a beginner symbol on it, so let's leave a bit more following distance.