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.
Auxiliary Consumers And Terminal 0
If the driver switches on an auxiliary consumer it logs itself on by issuing the message "Auxiliary consumer power management". By doing so, it triggers the PM to precisely calculate the battery charge level.
Following a successful log-on, the auxiliary consumer goes into operation and the charge level of the battery is monitored.
If the charge level falls below the minimum level for starting the car, the following Check Control message appears:
Five minutes later, if no legally required consumers are switched on, the PM automatically switches to "closed-circuit current monitoring" mode.
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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