ohhh i have the same problem and the same level as you. but i think the level is fine.
eidt: however if you have any spare you should fill it up to the lnie
2008 Black Pontiac G6 4Dr 3.5L
Interior Underdash Red LEDs, Chrome 3.5in Muffler Tip, Red Painted Battery and Engine Covers, 17" Touren Wheels , 55W 6000k HIDs, Racingline Strut Tower Bar, CCFL Eagle Eyes, Magnaflow Catback, AIT Racing Bodykit, exhaust resonator removed, plastidipped interior, kicker front speakers, JVC rear speakers, pionner radio with METRA turbo2 kit, 1000w Pioneer sub with 1000W alpine amp, 93 WAMS tune, cold air intake, NGK plugs and wires, R1Concepts Rotors + pads.