[AnlaufJohn]

The owner's manual will save you time and money on little items, too. And save you from big repair jobs.
One page has all the fuses, another has the light bulbs, but the one that saved me was the wheel torque values, as a big box retailer was going to crank my lug nuts to 100 lb/ft.
I told them I have the owner's manual in the truck and was able to retrieve it and showed them the 55-65 lb/ft rating. Now, my truck is a 10 series; the 20 & 30 series have bigger wheel studs and have a higher torque value.
Reprinted owner manuals are available from several vendors.
truckandcarshop.com and fillingstation.com are 2 that I use.