We respect your privacy. All email addresses you provide will be used just for sending this story. The simple answer is yes. But service intervals for new vehicles can exceedmiles before this needs to be. That makes this seemingly clear-cut advice something of a conundrum for car owners. On the other hand, factoring in that service is good advice for any owner who plans to keep a vehicle for an extended period of time—or for someone who has bought a used car with high mileage. The time and cost involved vary from car to car. Getting the fluid replaced is certainly going to cost you less than replacing a transmission that has been left in the lurch by skimping on service requirements.