Running low-draw accessories such as the radio and DVD will not kill the battery (your fridge might
).
Optima makes a great battery, but they can also go dead, but they won't leak if you flip over.
Now, want a word of advice? Hold off on the new top rails. The ones they will install are likely to crack in a month or two, and in May, the good ones are coming out, as well as a better fitting A-pillar moldings. Personally, the less stress they put on those top nuts, where the roof rail bolts thread into, is a good thing.
Let the dealer know about #PIT3887, which explains the roof rail replacement and advises to wait. There is no water intrusion due to the cracking. If dealer can't locate it (mine didn't know a thing about it), tell him to look in the ESI system and enter Document ID# 1765082.
Bulletin #05-08-42-017, concerns rear taillamp housings being loose.