Save Money On Automotive Maintenance

So lets start out with the owner’s manual and automotive maintenance. My owner’s manual threatens to void my warranty if I do not perform the recommended service on time. Well let’s look at what is recommend automotive maintenance. In my manual (yours may be different) it states that for normal driving an oil change is due every 3,000 miles or 3 months.Then you keep reading and it says for fleet vehicles oil changes are needed every 4,500 miles or 6 months. What are they talking about with fleet vehicles? I…