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 MANUALSAUDI2025Q3 PREMIUM PLUSREPAIR AND DIAGNOSISMAINTENANCEMAINTENANCE REMINDER LIGHT (RESET PROCEDURES)EMISSIONS MAINTENANCE REMINDER (OXYGEN SENSOR)NOTES
2025 Audi Q3 Premium Plus
Emissions Maintenance Reminder (Oxygen Sensor): Notes
2025 Audi Q3 Premium PlusSECTION Notes
NOTE:
To determine appropriate reset procedure, refer to EMISSIONS MAINTENANCE REMINDER RESET INDEX . Only vehicles listed in this index have an Oxygsen Sensor Warning Light.
OXYGEN SENSOR WARNING LIGHT RESET PROCEDURE INDEX
| Model & Year | Reset Procedure | |
|---|---|---|
| Coupe | ||
| 1984-87 | Emissions Maintenance Reminder Reset - Procedure 03 | |
| 100/200 Turbo | ||
| 1989 | Emissions Maintenance Reminder Reset - Procedure 02 | |
| 4000 | ||
| 1984-87 | Emissions Maintenance Reminder Reset - Procedure 01 | |
| 5000 Non-Turbo | ||
| 1984-88 | Emissions Maintenance Reminder Reset - Procedure 01 | |
| 5000S | ||
| 1984-88 | Emissions Maintenance Reminder Reset - Procedure 01 | |
| 5000 Turbo | ||
| 1984-88 | Emissions Maintenance Reminder Reset - Procedure 02 | |
RENDER: 1.0x
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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.