usually when get new car the first 1000km the reason some SA ask us not to rev the car over 3k rpm and dont go genting or tackle all the corner stressing the steerling cause the steel in the car and the lubricant need slowly adapt to each other, but once u high rev and initial D the new car without the first services it will damage your car forever as all the friction already cause damage to your part forever , no matter how many time u do it the mounting friction will forever damage your part