How long was it sitting? You might be able to drive it out in about 25-50 miles. But the longer it was sitting the more likely it is to be permanent.
Storing the car on jack stands or Flatstoppers will prevent flat spotting in the future.
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2011 370Z 6MT Sport Gun Metallic | ARC | CJM | Ecutek | FI | Fujimura | R2C | SPL | Stillen | TWM | Z1 | ZSpeed | |