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I've wondered this as well. I read a couple of articles on it but wasnt sure if full peddle down and clutch dump was the best answer on the m7 transmission.


2014 C7 Coupe, Z51, 2LT, NPP, 7 Speed, Arctic White/Red
 

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Basically, put the car in neutral, select track mode, push the traction control button twice which will engage competitive driving mode (this will come up in the center of your DIC, but if you push the traction control button twice too quickly, it may not register the second time you push the button), push in the clutch and put the car in first, quickly push the gas pedal all the way to the floor and hold it there which will rev the car to approximately 4000 rpms, and then take flight! You will know if you have launch control engaged if you can only rev to about 4000 rpms with the pedal all the way to the floor. Have fun!
 

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So, if I have an automatic and don't have either a Z51 or MRC, am I out of luck?
 

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I'm with Pete. I'm thinking you have to have mag for launch control.


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A Launch Control feature is available, within Competitive Driving Mode (except Z51 with Magnetic Selective Ride Control) or Performance Traction Management (Z51 with Magnetic Selective Ride Control), on all vehicles to allow the driver to achieve high levels of vehicle acceleration in a straight line. Launch Control is a form of traction control that manages tire spin while launching the vehicle. This feature is intended for use during closed course race events where consistent zero to 60 and quarter mile times are desirable. Launch Control is only available when the following criteria are met:. Competitive Driving Mode is selected (except Z51 with Magnetic Selective Ride Control) or any of the Performance Traction Management modes are selected (Z51 with Magnetic Selective Ride Control).

The TCS light comes on the instrument panel and the appropriate DIC message displays.
. The vehicle is not moving.
. The steering wheel is pointing straight.

Manual Transmissions
. The clutch is pressed and the vehicle is in 1 (First) gear.
. The accelerator pedal is rapidly applied to wide open throttle.
The Launch Control feature will initially limit engine speed as the driver rapidly applies the accelerator pedal to wide open throttle. Allow the engine rpm to stabilize. A smooth, quick release of the clutch, while maintaining the fully pressed accelerator pedal, will manage wheel slip.

Automatic Transmissions
. The brake pedal must be firmly pressed to the floor, equivalent to a panic brake event.
. The accelerator pedal is rapidly applied to wide open throttle. (If the vehicle rolls due to wide open throttle, release the throttle, press the brake pedal more firmly, and re-apply the accelerator to wide open throttle.)
The Launch Control feature will initially limit engine speed as the driver rapidly applies the accelerator pedal to wide open throttle. Allow the engine rpm to stabilize.

A smooth, quick release of the brake pedal, while maintaining the fully pressed accelerator pedal, will manage wheel slip. After the vehicle is launched, the system continues in Competitive Mode (except Z51 with Magnetic Selective Ride Control) or Performance Traction Management (Z51 with Magnetic Selective Ride Control).
 
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sounds simple enough, but i tried it a bunch of times on mine and i get nothing in the middle of the display to say im in performance mode. I thought maybe Magnetic Ride Control is a have to but then I read this from GM and it seems not....

HIGH PERFORMANCE DRIVING FEATURES

The Traction Control system limits wheelspin and the Stability Control system assists
with directional control of the vehicle in difficult driving conditions. Both systems turn on automatically every time the vehicle is started. The

Traction Control/Stability Control button is located on the center console.
Press the button once to turn off Traction Control.
Press and hold the button to turn off both Traction Control and Stability Control. Press the button again to turn on Traction Control and Stability Control.
Driver Mode Control
The five driver modes provide enhanced performance for different driving conditions by changing the throttle progression, shift mode, steering, limited slip differential, ride control, traction control, exhaust sound, and other calibrations (if equipped).
Rotate the Driver Mode Control, located on the center console, to scroll through the modes of Weather, Eco, Tour, Sport, and Track.
Note: Allow a few seconds for the changes to be activated before the current mode is displayed in the DIC.

Competitive Driving Mode and Performance Traction Management
Competitive Driving Mode allows full engine power while Stability Control helps maintain directional control of the vehicle.
Performance Traction Management (available only with Magnetic Selective Ride Control) offers five modes of operation, all designed to provide consistent performance when cornering in a variety of track conditions.
When in the Track mode, press the Traction Control/Stability Control button twice to activate Competitive Driving Mode or Performance Traction Management.

so it seems we would still have Competitive Driving mode even without the Performance Traction Management that comes with having the mag. ride control. I did read in another forum that the wrong software on the vehicle could cause this problem, but no verification of that. I have not done the dec software update maybe I'll take it in for that and see what happens.


2014 C7 Coupe, Z51, 2LT, NPP, 7 Speed, Arctic White/Red
 

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so it seems we would still have Competitive Driving mode even without the Performance Traction Management that comes with having the mag. ride control. I did read in another forum that the wrong software on the vehicle could cause this problem, but no verification of that.
Let me know if flashing your cars computer helps. :)
I'll take mine in and have it done along with letting them check my differential oil they just now called me about.
 

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No Z51 or MRC. Put it in Track mode, hit TC twice and DID get a DIC message indicating Competitive Driving Mode. Since I tried that in front of the house in my very quiet neighborhood, I still have no idea if that gives me LC. Need to find a place to rev and see if it stops at 4000...without freaking out the mega-senior neighbors.
 

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so it seems we would still have Competitive Driving mode even without the Performance Traction Management that comes with having the mag. ride control. I did read in another forum that the wrong software on the vehicle could cause this problem, but no verification of that.
Let me know if flashing your cars computer helps. :)
I'll take mine in and have it done along with letting them check my differential oil they just now called me about.
Mine did not work at first, but a reflash took care of that.
 

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Refresh / update to fix dimming issues gave me back the performance traction control. Still not sure about slamming my pedal to the floor to see what happens.


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