Fluids and othe stuff

hi my dad just bought me a 04 elantra

ok... i donno wut happened but it just posted the coment by its self so ill contuine it
wuts the difference btw the engin oils?
10W30 or 10W40
wuts the difference and wut do u guys suggest

and is there any major problems i should watch out for?

1. i donno wut happened but it just posted the coment by its self so ill contuine it

2. wuts the difference btw the engin oils? 10W30 or 10W40 and wut do u guys suggest

3. and is there any major problems i should watch out for?
Please use spell check. But to answer your questions as forthcoming as I can right now being in an aweful foul mood...

1. Try using the Edit/Delete button after you screw up a post...you can go back and edit it.

2. The difference is VISCOSITY. Use what's recommended or you'll void your dad's warranty.

3. Major problems? I'd look out for High insurance premiums and the car right in front of you that's about to stop suddenly...:evillol: