Yes you can change the ATF even if it is a sealed transmission. The G37x wasn't that bad. Make sure you buy a hand pump and you can save a few hours.
Idemitsu CVT Type N (NS-2) Transmission Fluid for Nissan - 5 Quart
16 Review
Liqui Moly 2001 Valve Clean
15 Review
Gaming chair COUGAR Armor ONE, upholstery: imitation leather, color: black
34 Review
Convenient New Pig 57703 Universal Mat Plus Dispenser Combo Pack - The Perfect Absorbent Solution
12 Review