What does service all wheel drive mean?
What does service all wheel drive mean? Service All Wheel Drive means that there is a fault with the AWD system. It is possible that the extreme cold caused this message to come up in error. If the message stays off as the weather warms I wouldn't worry about, but if the message continues to be displayed then you need someone to diagnose the issue. How often should you service 4-wheel drive? In some cases, no more than 30-36,000 miles. And in some cases it may be as frequently as every 15,000 miles. Also look for any kinds of leaks...