Mario Kart DS

And now, after some heavy losses to some random person called Spud, the DS's battery light is glowing a dangerous red.

Bed time, then.

I need work out the netiquette for these games. Half-way through one round, the little 'friend looking for game' icon popped up, but I thought it would be very rude to quit out of my current game and go find my friend. Thoughts?