You can give it to your local Snap on dealer and he sends it away and they recalibrate it had one done 3 years ago but our dealer was a dumb a$$ and it took me 2 months to get it back cause he never came in
I didn't pay for mine the dealer were i work did the car manufac. i work for wanted all of ours recalibrated i said the same thing i'm not paying 80 dollars for that and that was like 3 years ago