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.
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HOMESERVICE MANUALSAUDI2025A4 QUATTRO PRESTIGEREPAIR AND DIAGNOSISELECTRICALGAUGESINSTRUMENTS90 INSTRUMENTSINSTRUMENT CLUSTEROVERVIEW - WINDSHIELD PROJECTION (HEAD-UP DISPLAY)
2025 Audi A4 Quattro Prestige
Overview - Windshield Projection (Head-Up Display)
2025 Audi A4 Quattro PrestigeSECTION Overview - Windshield Projection (Head-Up Display)
The overview shows a LHD vehicle as an example. For RHD vehicles the layout is a mirror image.
- Nut
- Quantity: 3
- 8 Nm
- Expanding Rivet
- for air duct
- Exterior Bracket
- For windshield projection control module
- Removing and Installing. Refer to OUTER BRACKET, REMOVING AND INSTALLING .
- Bolt
- Replace after removing
- Quantity: 2
- Tightening sequence. Refer to Fig 2.
- Instrument Panel
- Bolt
- Quantity: 5
- 1 Nm
- Upper Cover
- Removing and Installing. Refer to WINDSHIELD PROJECTION HEAD UP DISPLAY CONTROL MODULE, REMOVING AND INSTALLING .
- Frame
- for upper cover
- Air Duct
- For windshield projection control module
- Expanding Rivet
- for air duct
- Bolt
- Tightening Specifications and Sequence. Refer to Fig 2.
- Windshield Projection Head Up Display Control Module -J898-
- Removing and Installing. Refer to WINDSHIELD PROJECTION HEAD UP DISPLAY CONTROL MODULE, REMOVING AND INSTALLING .
- Calibrating. Refer to WINDSHIELD PROJECTION HEAD UP DISPLAY CONTROL MODULE, CALIBRATING .
- Bolt
- Replace after removing
- Quantity: 2
- Tightening Specifications and Sequence. Refer to Fig 2.
- Interior Bracket
- For windshield projection control module
- Removing and Installing. Refer to INNER BRACKET, REMOVING AND INSTALLING .
- Central Tube
- Nut
- Quantity: 3
- 8 Nm
-- Tighten the bolts in the sequence shown.
| Bolts | Tightening Specification |
|---|---|
| -1- | 5.5 Nm |
| -2 and 3- | 4 Nm |
RENDER: 1.0x
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.