Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
61 31... Remounting the additional seat function operating unit (memory button)
Necessary preliminary tasks:
Removal
Release all latch mechanisms at the operating unit (1) using a screwdriver (3-mm blade).
Remove the cover (1) from the operating unit (2).
Take the printed circuit board (1) out of the operating unit (2).
If need be, take the keypad out of the center console operating unit (2).
Use a screwdriver (3 mm blade) to release the button's latch mechanism (2).
Pull the button (1) out of the operating unit (2).
Installation
Join the button (1) into the operating unit (2) and lock it by lightly pressing on it.
If need be, join the keypad onto the printed circuit board (1).
Join the printed circuit board (2) into the operating unit (1).
Clip the cover (1) onto the operating unit (2).
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.