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Service bulletin L-TT-0284-20

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10173987
Published by NHTSA2020-04-20
Manufacturer's numberL-TT-0284-20
Manufacturer's date2020-03-26
NHTSA componentEQUIPMENT

NHTSA's summary

TT: For proper calibration of the millimeter wave radar sensor, the vehicle must be on a level surface. If a level surface is not available, this tech tip should be used in conjunction with the repair manual to set the angle of the front millimeter wave radar sensor and reflector height before performing beam axis adjustment.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories

Vehicles listed
LEXUS CT HYBRID2011 to 2017
LEXUS ES HYBRID2013 to 2015
LEXUS ES3502007 to 2015
LEXUS GS 3502007 to 2011
LEXUS GS 3502013 to 2015
LEXUS GS HYBRID2010
LEXUS GS HYBRID2013
LEXUS GS3002006
LEXUS GS4302006 to 2007
LEXUS GS450H2007 to 2009
LEXUS GS450H2011
LEXUS GS450H2014 to 2015
LEXUS GS4602008 to 2011
LEXUS GX4602010 to 2018
LEXUS HS 250 HYBRID2010 to 2012
LEXUS IS 2502006 to 2015
LEXUS IS 250C2010 to 2015
LEXUS IS 3502006 to 2016
LEXUS IS 350C2010 to 2015
LEXUS IS F2008 to 2014
LEXUS IS200T2016
LEXUS LS4602007 to 2017
LEXUS LS600H2008 to 2016
LEXUS LX5702008 to 2011
LEXUS LX5702013 to 2015
LEXUS NX HYBRID2015 to 2017
LEXUS NX200T2015 to 2017
LEXUS RC 200T2016 to 2017
LEXUS RC 3002016 to 2017
LEXUS RC 3502015 to 2017
LEXUS RC F2015 to 2017
LEXUS RX HYBRID2011 to 2015
LEXUS RX3502011 to 2015
LEXUS RX450H2010

Listing a model year does not mean every vehicle of it is concerned: the document says which.