do u have eyes in order to see

[marlasinger]

or do u see cuz u have eyes?

[factor-fiction]

yes.
And in your case they'd they help you see speed cameras, dogs, which side of the road to drive on and your speedometer.

[wildwood]

Eyes evolved in primitive micro organisms that first had light sensitive tissue which enabled them to distinguish between night and day. This was a tremendously significant evolutionary step.

So your first assumption is correct; eyes evolved to better observe the habitat environment of the creature.