It's hard to explain bulb replacement without images. Look on Youtube there are video clips of just about anything there. You may find your exact vehicle or something very similar. Also look at Autozone's website they have some popular workshop manuals for free on line once you register (for free) on their website http://bit.ly/autozone_repair_info.
Information may be in your owner's manual
Check here http://repairpal.com/automobile-owners-manuals-online or try this link you may be able to down load a free copy of the owner's manual for your vehicle http://www.autousermanual.com/