2018 Audi RS3 Service and Repair Manual

This factory service and repair manual for the 2018 Audi RS3 is built around this exact model year and trim, so the specifications, wiring diagrams, and repair sequences inside are the ones Audi actually published for your car, not a generic stand-in pulled from a related year.

Engines covered

• 2.5L inline-five (151 cu in) — DOHC, turbocharged, gasoline

Body styles covered

• 4-door sedan

Trims covered

• Base

Known issues on the 2018 RS3. One recall is on federal record for this model year, covering the front passenger occupant classification sensor: the passenger occupant detection system may malfunction and switch off the passenger air bag even when the seat is occupied, so a deactivated passenger air bag increases the risk of injury during a crash. Owners have filed 13 complaints for the year.

Whether you're troubleshooting the passenger occupant detection system or working through a routine service interval, this manual keeps you on the OEM procedure and the correct specification for your specific 2018 RS3.