my cts 2008 3.6 DI LLT need to remove speed limit

[pari3411]

i'v just bought hp tune for remove speed limit my cts and study light tune

i tried unlimit speed and search

i think it's correct setting for remove speed limit. but it doesnt work.
speed.png

any one can help me plz?

[luciddeath]

Don't max it out completely.. Do like 300.

[tlavoie87]

exactly 300 is perfect dont forget to change the fuel cut off as well