Of course you do. If they don't have instructions then don't buy it.
Buy a kit at Wal-Mart or auto part store--comes with instructions
Buy a rebuild kit and follow the instructions.
When you buy a install kit you will need a wire kit it comes with instructions do one wire at a time.
a kit car is a car which you buy parts of it and then assemble it.
you buy a kit and do what the instructions say
Buy a kit at Wal-mart or auto parts-comes with instructions Buy a kit at Wal-mart or auto parts-comes with instructions
Buy a kit at Wal-Mart or auto parts store comes with instructions
Buy a kit, comes with instructions
Buy a kit aat Wal-Mart or auto parts comes with instructions Buy a kit aat Wal-Mart or auto parts comes with instructions
this is the site where i buy my smart car kit! in my opinion, it is a good place for you to buy bluetooth car kit. they are cheap and good. and the delivery time is very short.
Buy a kit at auto parts store--comes with instructions
Your Sirius car kit should have come with installation instructions. If it didn't you can also find step by step instructions here, http://www.fixya.com/Sirius How To Install.