Originally Posted by madpogue

I interpret the OP's grievance to be about routine maintenance, not "repair". And yes I've seen plenty of car/truck owner's manuals with information on how to change oil, rotate tires, etc. That said, my newest motor vehicle is 25 years old, and with the march of time, there is much less about today's vehicles that is left to the daily user.

Semi-side note -- browsing an antique mall years ago, I came across an owner's manual for a 1950s American car. It included information not just about changing a tire and checking/adding oil, but about repairing a tire puncture and changing the oil and filter.