: Using appropriate tools, measurements are taken to assess the current state of airflow or vacuum.

If you are trying to fix a check engine light or upgrade your sound system without it, you are driving blind. Here is why the VAG Index is essential:

Install the software (usually from the provided CD or official download).

(low-level programming and adaptations) into a single interface. Hardware Versatility : It is compatible with original VAS adapters (like the VAS 6154) as well as various J2534 PassThru