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.
Feedback via DWA LED
The DWA LED serves as an indicator showing the status of the anti-theft system. The roof functions center supplies the DWA LED with signals from the ultrasonic interior movement detector.
| DWA Status | DWA LED |
|---|---|
| Deactivated | OFF |
| Activated | ON |
| Armed, but not all contacts closed | Blinks for 10 seconds, then continues flashing |
| Ultrasonic interior motion/tilt sensor OFF | Lights up for 2 seconds and then remains on |
| Alarm triggered | Flashes for 5 minutes, then continues flashing in bursts |
| Deactivating | Goes out |
| Deactivating after alarm | Flashes for 5 minutes or stops if a terminal status changes (central locking unlocked) |
When blinking, the DWA LED is driven at a frequency of 0.5 Hz. The switch-on time is 60 milliseconds. When the DWA LED flashes, it is activated at a frequency of 2 Hz.
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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.