2018 Toyota Avalon Other or unknown Problems
- Complaints
- 5about this part
- Share
- 21%of 24 total for the year
- Median mileage
- 2,400miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the other or unknown of the 2018 Toyota Avalon, 21% of the 24 complaints for this model year. Where a mileage was given, the median is 2,400 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.
“I have been having trouble with my radio hanging up phone calls and several other things. After taking my car several time I was told it will be replaced. I took my car and left it over night march 18th and march 19th. It had a charging light on so they said it's best if it says over night. When contacted the satellite radio company to give the new radio id, the said it was the id. I called apple to see if there were any issues with my iphone, there was none and we even went through resetting the phone, just in case case the radio was still dropping calls and other things. …”
NHTSA complaint #11405151, filed 2021-03, 33,000 miles“The lane departure beeping signal is so weak that I can hardly hear it. Normal driving noise such as tire noise, radio, conversation, etc. Usually completely drives it out. On the buick that I traded in the lda sound was normal and on a number of occasions I dozed off and was snapped out of it by the beeping from the lda. I am dismayed that this very important safety feature is all but useless in my new Toyota. A friend just bought a new prius and his vehicle has the same weak lda volume as mine. I looked on the internet and saw complaints about the same problem. …”
NHTSA complaint #11065477, filed 2018-01, 50 miles“A. Day driving impaired visibility-rear windshield: a rear windshield visibility problem exists with the 2018 Toyota Avalon on sunny days.. The combination of the steep angle of the rear windshield and the light interior on the back deck behind the rear seats creates a glare onto the rear windshield. The glare is the reflection of the rear deck panel onto the entire rear windshield. It is a distraction to the driver because it is difficult to see clearly cars approaching from behind through the rear view mirror. …”
NHTSA complaint #11121781, filed 2018-08, 300 miles“The pre-collision detection system does not operate. Dealership mike erdman Toyota or Toyota headquarters in texas will put in writing that the system works nor will they do an actual test to prove that it is operational. All they will say is that the computer analysis says it should be working. It does not work and will not stop the car in any circumstances or warn you of a potential danger!!!!!”
NHTSA complaint #11132427, filed 2018-10Related service bulletins
- 11028712Jan 7, 2026Some 2005 – 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate…
- 10244111Aug 17, 2023TT: A very small percentage of customers experience operational difficulties with some telematics features which they cannot resolve on their own. These resources, in conjunction…
Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2022 | 4 | 50% |
| 2019 | 8 | 11% |
| 2018 | 5 | 21% |
| 2017 | 1 | 7% |
| 2016 | 5 | 22% |
| 2015 | 7 | 17% |
| 2014 | 21 | 22% |
| 2013 | 23 | 17% |
| 2012 | 2 | 7% |
| 2011 | 10 | 9% |
| 2010 | 7 | 15% |
| 2009 | 3 | 3% |
| 2008 | 12 | 3% |
| 2007 | 10 | 4% |
| 2006 | 27 | 8% |
| 2005 | 10 | 4% |
| 2004 | 4 | 2% |
| 2003 | 5 | 2% |
| 2002 | 4 | 3% |
| 2001 | 5 | 4% |
| 2000 | 8 | 5% |
| 1999 | 2 | 2% |
| 1998 | 7 | 4% |
| 1997 | 3 | 2% |
| 1996 | 4 | 4% |
| 1995 | 2 | 3% |
Other parts of the 2018 Toyota Avalon
6 complaintsSteering
4 complaintsFuel system
3 complaintsBrakes
2 complaintsForward collision avoidance
2 complaintsVehicle speed control
2 complaintsElectrical system
1 complaintsExterior lighting
1 complaintsLane departure
1 complaintsSeat belts
1 complaintsBody and structure
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2018 Toyota Avalon
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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