Vehicle 'ON' State

Putting a Vehicle in the "ON" State

When performing read or write operations with HP Tuners software, the vehicle must be in the ON state without starting the engine. The correct procedure depends on the type of ignition system in your vehicle. Follow the steps below for your specific model.

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Conventional Key Start Ignitions

1. Insert the key into the ignition.
2. Rotate the key to the ON (or RUN) position.
3. Do not turn the key to the START position.

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Dodge / Chrysler / Ram / Jeep with Red Pushbutton Ignition

1. Keep your foot off the brake.
2. Press the red START button once. The indicator around the button will change from OFF to ACC.
3. Wait for 2 seconds.
4. Press the red START button again. The indicator should change to RUN.

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GM Vehicles with Pushbutton Ignition

1. Without pressing the brake pedal, push and hold the ENGINE START button for 8–10 seconds.

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For additional guidance or troubleshooting, refer to your vehicle’s owner manual or contact the HP Tuners Support Team.