Got a message today saying that my oil was low, add oil. Checking the manual it says to add 1 quart if you see this message. My question is, what weight oil is in the car from the factory? I called the local dealer and they told me all they pump into their cars is 10W-30 Castrol GTX.<p>Thanks in advance for the help. BTW, the car has 6,000 miles on and stilll hasn't had it's first service and oil change.