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Default to GS mode at start up

jeffcam1211

Full Member
70
35
18
Buick Ownership
20 Regal GS, 12 Regal GS (past)
Is there any way to enable the GS to start up in GS mode by default? I believe it may be possible with the Trifecta tune but I don't want to go that route just yet. I don't want to deal with warranty issues.
 
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