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.
Determining Which Source Has Possibly Triggered The Anti-Theft Alarm
The breakdown of the display content for display group number 15 for vehicles up to June 2001 and display group number 16 for vehicles from June 2001 gives information as to which component triggered the alarm the alarm system last, and can therefore help the troubleshooting/repair. See Figure and Figure . This "DTC memory" cannot be erased.
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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.