One problem related to exterior lighting has been reported for the 2012 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Toyota Sienna based on all problems reported for the 2012 Sienna.
No dashboard lights when van is started, only come on when light switch is activated. Dashboard on visible on cloudy days.
| Headlights problems | |
| Exterior Lighting problems |