On Board Diagnostics, or OBD, is an automotive term
referring to a vehicle's self-diagnostic and reporting
capability. OBD systems give the vehicle owner or repair
technician access to the status o
The electronic throttle control (ETC) system consists of the
accelerator-pedal module, the engine control module (ECM), and
the electronic throttle body. The electronic throttle body
mainly consist
Ignition
A spark ignition (SI) engine requires a spark to initiate
combustion in the combustion chamber. Voltage is supplied to the
spark plug where the electricity will arc across a gap at a
volta
Adjusting exterior mirrors
Fig. 41 Driver's door: knob for the exterior mirrors
Turn the knob in the driver's door to the desired
position:
0 - Deactivates all adjustment functions.
- Selects the left or right
exterior mirror.
To adjust the mirror glass in a mirror, press the
knob in the desired
Note
Depending on vehicle equipment, there are different versions
of the A/C system for the Audi Q7. Make sure to use the correct
version and pay attention to the allocation of different
components. Refer to
→ Chapter "A/C System Versions" and Parts Catalog.
The A/C Compressor R
On Board Diagnostic Systems
