2018 Audi A3 Cabriolet Electrical system Problems
- Complaints
- 1about this part
- Share
- 8%of 12 total for the year
- Median mileage
- 60,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the electrical system of the 2018 Audi A3 Cabriolet, 8% of the 12 complaints for this model year. Where a mileage was given, the median is 60,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2018 Audi A3. The contact stated while driving in a parking lot, the vehicle stalled. The contact stated that the battery was drained, and the vehicle failed to restart. The contact jumpstarted the vehicle. The battery was replaced. Several unknown warning lights were illuminated. The vehicle was taken to the local dealer, where it was diagnosed that the alternator needed to be replaced. The dealer informed the contact that the part was on backorder. The vehicle was not repaired. The manufacturer was called, but there was no response. …”
NHTSA complaint #11555311, filed 2023-11, 60,000 milesRelated service bulletins
- 11035810Jul 9, 2026This bulletin provides informatoinw hent here are scratches or a coating on the cover of the instrument cluster, or particles inside of the housing.
- 11034643Jun 23, 2026This bulletin provides information when there are noises from the area around the instrument cluster.
- 11034634Jun 23, 2026This bulletin provides informationwhen noises/vibration are detected from front of vehicle in dynamic mode.
- 11033492May 22, 2026This bulletin provides informaiotn when the starter battery is discharged or defective.
- 11032165Apr 30, 2026This bulletin provides informaiotn when the starter battery is discharged or defective.
- 11031053Mar 26, 2026This bulletin provides informaiton regarding the Universal Traffic Recorder.
- 11031051Mar 20, 2026This bulletin provides informaiotn about various infortainment system complaints.
- 11030985Mar 17, 2026This bulletin provides information when the parking assistance gives false warnings.
- 11031040Mar 4, 2026This bulletin provides informaito when Apple CarPlay/Android Auto does not react to touch inputs.
- 11030984Mar 2, 2026This bulletin provides information when the parking assistance gives false warnings.
Electrical system: other model years
Other parts of the 2018 Audi A3 Cabriolet
7 complaintsExterior lighting
1 complaintsFuel system
1 complaintsTires
1 complaintsWheels
1 complaints
← All problems reported for the 2018 Audi A3 Cabriolet
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology