One problem related to turn signal switch has been reported for the 2004 Lexus ES330. The most recently reported issues are listed below.
While driving and when consumer turned on the turn signal lights to make right or left turns the arrows indicated left or right, but didn't make a clicking noise. Consumer indicated he had to observe the dashboard to see if they were working while he was driving. The dealership indicated vehicle was operating as designed by the manufacturer.
| High/low Beam Switch problems | |
| Turn Signal Switch problems | |
| Headlights problems |