STEDI HB4 (9006) CAN-BUS ADAPTER Rück Spiegel Vehicles equipped with a CANBUS

Vehicles equipped with a CANBUS lighting system monitor the function of all light bulbs in the vehicle system

It is our most expensive light bar ever produced

Is compatible with rechargeable AAA batteries

RS5 facelift 2012~

With our STEDI covers

STEDI HB4 (9006) CAN-BUS ADAPTER Rück Spiegel Vehicles equipped with a CANBUSThe STEDI CANBUS adapter is recommended for newer vehicle models that use HB4. How can I determine if I need the CANBUS adapter? One way to tell if your vehicle has a CANBUS system is that your vehicle warns you about light bulb failures. What is the CANBUS module for and why do I need it? Modern vehicles now have multiple electronic control units that monitor the many subsystems in modern cars. Things like tire pressure monitoring, door locks, etc.