Removing and installing seat longitudinal adjustment button, rake adjustment button, seat height adjustment button and backrest adjustment button (E418, E421, E424, E425) — AUDI

🧭 Before you start

Fits: Audi Q7 (4L, 2005–2015)

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• Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.Make sure that wiring is not trapped.
• If the airbag warning lamp K75 indicates a fault following installation, you must interrogate, erase and then re-interrogate the event memory .

📋 Procedure

1. Remove trim (3).
2. Take photographs or make sketches of the wiring attachment and routing.
3. Unplug connectors (2) and (7).
4. Remove seat and backrest adjustment knobs (4) and (5).
5. Unscrew bolts (1) (3x).

6. Detach seat longitudinal adjustment switch, rake adjustment switch, seat height adjustment switch and backrest adjustment switch (6).
7. ⚠ Before handling airbag units (e.g. unplugging the electrical connector) the mechanic must discharge any static electricity. This can be done by briefly touching the door striker plate, or similar. — Route and secure the wiring according to the photographs taken or sketches made earlier. [Note: Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.Make sure that wiring is not trapped.]
8. ⚠ The battery must be connected with the ignition switched on. If pyrotechnic components (e.g. airbag or belt tensioner) are inexpertly repaired, this may result in unwanted triggering after connecting the battery. For safety reasons, when connecting the battery, keep clear of the airbag inflation areas and the belt tensioners/seat belts and make sure there is no-one else in the vehicle. — Switch on ignition.
9. With ignition switched on, connect battery earth wire Electrical system27.
10. If the airbag warning lamp K75 indicates a fault following installation, you must interrogate, erase and then re-interrogate the event memory .

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