How to turn on duramax factory manual high idle

2013 lml

[@mondo9.2.5]

53k miles damn lol drive it

[@RLeeErmy]

Wish my 2014 lml did that.

[@davidschmidt449]

So it’s park brake on Cruze on then hit set?

[@mattb2951]

David Schmidt that is correct

[@345airwreck]

Does this work on an lmm

[@jaronvaughn4520]

I have 14 lml Denali HD and I can’t get mine to work..

[@jdozy3608]

there’s a different setting on there on the lml’s

[@adamczajka8520]

I have a 2017 Chevy L5P LT and this doesn’t work for me unfortunately.

[@Dieselmd2008]

Must be a USA option my lmm wont do that

[@brycemonahan2870]

My LMM doesn’t do it and I live in USA .

[@jacksonreid6412]

@@brycemonahan2870 It’s not programmed for every truck, it’s just an option. Also unavailable for 2007.5

[@zachdavis1776]

Didn’t work on my 2014 ltz