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.
System Functions
The following are monitored:
- Doors
- Hood
- Trunk
- Vehicle interior
- Vehicle inclination
- DWA bus line to the emergency siren
- Voltage supply for vehicle electrical system
- Voltage level at the emergency siren
To prevent false alarms, the sensitivity of the DWA can be adapted. For this purpose, the following vehicle conditions are evaluated:
- Status of auxiliary ventilation
- Position of power windows
- Position of slide/tilt sunroof
The alarm system sends the following status messages:
- System status via the DWA LED in the passenger compartment
- Visual arm/disarm via hazard warning lights
- Audible arm/disarm via an acknowledgement signal from the emergency siren Electrical
The alarm system outputs the following alarms:
- Audible alarm via emergency siren
- Visual alarm via hazard warning lights, dipped headlights, main beam headlights
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.