Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Navigation System Diagnostic Mode (2013-15): Version
Version
This screen displays the current version information for the navigation system software. In addition, this screen allows the loading of updated software if directed by the factory, or instructed by a Service Bulletin. Software may be loaded from a DVD.
- System Version: Displays the audio/navigation software version.
- Model: Displays the vehicle's model name. For this model, the field should begin with TX4.
- Host uCom, Slave uCom, and Duet uCom are all for factory use.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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