Take care of your vehicle and your vehicle will take care of you. Trust me on this. You will depend on your vehicle in a lot of ways so make sure to take care of repairs and scheduled maintenance so you are less likely to be stranded somewhere you don't want to be.
When driving near dawn or dusk and the sun is behind you be sure to turn on your headlights. You will not need them but the on coming traffic is facing the sun and will be blinded to much of what is in front of them. By turning on your headlights you will be much more visible to them.
If your car won't start but makes a clicking sound when you turn the key it means it's not getting enough voltage. Check your battery post clamps, just give them a jiggle and try it again. Remember to tighten and/or clean them when you get a chance.
Learn how to properly drive a stick shift (I will teach you), it's a valuable skill to know even if you don't own a manual transmission vehicle.
Good mechanics are hard to find, trustworthy mechanics are even harder to find. Learn to fix your own vehicle (I will teach you what I know). Invest in some good tools, do whatever research you can, recruit a best friend for help and take it one step at a time. To make things easier on yourself, keep your work area clean, make sure you have all the right tools and they are in good working order. Once the job is done, sit back and enjoy some beers. Also, always return the favor to your best friend when his vehicle needs repair.