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Posted by A Sherman on January 7, 2007, 7:36 pm
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Very Strange!
The auto-levelers were definitely broken for 3 or 4 nights, but now they have
resumed working properly. I will have to watch them to see what happens.
Maybe a loose connection?
Al
>
>>
>> A Sherman wrote:
>>> My 2005 Prius (25K miles) has package 4 with the auto-leveling HID lights.
>>> Tonight I noticed that the lights were aimed considerably lower than
>>> usual.
>>> Not a hazard to drive, but noticeably lower. I suspect the sensor might
>>> be
>>> broken.
>>>
>>> I've found some reports of this problem in Priuschat. Has anyone here had
>>> a problem with the auto-levelers?
>>
>> Do realize that the HIDs will point lower if there is more weight in
>> the cargo area of the car.
>>
>> Do realize that the headlights are adjustable, so if they are pointed a
>> little low, you can raise them, as instructed in the owner's manual.
>> Same if they are pointed a little high and you are always being flashed
>> by oncoming motorists.
>>
>> Also realize that there is a known auto-leveling sensor problem on some
>> 2004-2005 Prius. If you have this problem, you'll know it - the
>> headlights will only aim up to about 20ft in front of the car, and
>> you'll get a chime and the autoleveling headlights warning icon on the
>> MFD. (Several reports on the Prius-2G yahoogroup and on
>> priusonline.com ) Problem is that it is intermittant and therefore can
>> be difficult to get your dealer to believe you that there's a problem
>> (since it often doesn't store an error code and won't happen in the
>> dealer's possession). For more information, see:
>> US TSB EL004-06
>>
http://autos.groups.yahoo.com/group/toyota-prius-sat1/files/TSBs/2004%2B%20TSBs/EL004-06.zip
>> April 28, 2006. Automatic Headlight Leveling System Warning Light "ON"
>> or Flashing. 2004-2005 Prius w/HID headlights. replace rear vehicle
>> height control sensor with improved one.
>>
>
> Thanks for the reply, mrv. I have not seen any error code. My headlights
> now cover about 60 ft in front of the car with low beams.
>
> I now recall that the day before I noticed the problem, I had hit a large
> bump in the pavement with a couple of heavy passengers in the rear seat.
> I'll bet this could have damaged the sensor.
>
> Al
>
>
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