Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Electrical >> Gauges >> Instruments >> 90 Instruments >> Horn >> High Tone Horn -H2- /Low Tone Horn -H7-, REMOVING AND INSTALLING >> High Tone Horn -H2- /Low Tone Horn -H7-, REMOVING AND INSTALLING >> Tightening Specifications