Toyota Sienna owners have reported 40 problems related to exterior lighting (under the exterior lighting category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Toyota Sienna based on all problems reported for the Sienna.
2007 Toyota Sienna. Low beam headlamps continue to burn out. Drivers side 2 times since December 2009. Passenger side 4 times since December 2009.
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The dash start cracking up for no apparent reason and the car is mostly park inside a garage day and night. I have called dealers and nothing has been done so far and I have been told that's a manufacturer defect and it should be corrected by dealer. The transmission some times does not change the gears and others stop to work and I could cause a rear end collision.
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Headlamp on 2004 Toyota Sienna failed intermittently, and then seemed to work. Eventually it stopped working altogether. Diagnosis was moisture in the assembly, causing it to short out. Price to repair? $1700, of course not covered by Toyota. Apparently this is a design flaw, based on the number of other complaints, and it's definitely a safety concern.
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No dashboard lights when van is started, only come on when light switch is activated. Dashboard on visible on cloudy days.
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Right headlamp keeps filling with water causing severe fogging and putting my bulb out. This problem got progressively worse over a period of years and ruined the lens. I couldn't properly see on right side while driving. Kept going back to dealer about it but all they would tell me was turn my headlamps on longer or for long period of time until it dried out, then laughed. They finally wore me out after a couple of years of complaining. I had also complained about my tires making a loud thumping noise after about 16,000 miles and they had told me to turn my radio up louder, then laughed again. Also had a recall done there, and discovered my wheel well covering torn. They said they didn't do it but, it was the same side as the recall repair was on. They refused to repair it unless I pay for it. They=dealer= liberty Toyota, burlington,NJ.