nGauge – How to Calibrate the Speedo

Step 1 - Plug you nGauge into your vehicle.

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Step 2 - Select "Tuning".

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Step 3 – Arrow down ▼ and select Module Config.

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Step 4 – Follow the prompts to reach Tire Height.

Step 5 – Use the “-“ and “+” to adjust in inches, and select the checkmark √ to confirm.

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Step 6 – Follow all the prompts to complete the update.