Quote:
Originally Posted by 17CamaroZL1
I'll have to try it again sometime then. Maybe there was another reason I couldn't get into PTM that day. I used PTM and line lock the night before my first "prepped" track day running 26 psi in the rears. The next day during a private track rental for the KY True Street crew that my dad runs in, the first thing we did was lower the air to 18 psi in the rear, and after that I couldn't use line lock or launch control. It gave me the launch control disabled message. Maybe I was still able to choose the PTM setting and just not able to use line lock and launch control. I don't remember now, so I'll try it again soon.
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No, you got it right. Anytime the low tire pressure sensor (TPMS) light is on, everything is disabled. It is the cars way of playing it safe when tires are low.