Computers and Control Systems: Service Precautions

If special test equipment is required during test drive, observe the following:

WARNING:
- To reduce the risk of accident, always proceed as follows during road tests:

Use of instrument in Audi TT Coupe:
- Use only the VAS5051 or VAG1551 to read measuring value blocks. Always secure the tester to the rear seat and have it operated from there by a second technician.
- Due to size constraints, the passenger seat should be adjusted as far forward as possible and it's seatback should be adjusted to the most forward engaged position using the hand wheel. Do not use the seatback release lever for this.

Audi TT Roadster:
- Use only the VAG1552 with deactivated passenger side airbag in the Audi TT Roadster.
- Deactivate passenger-side airbag using key switch in the glove compartment.
- Re-activate passenger-side airbag after completing work.