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Service bulletin 3527

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 id10020232
Published by NHTSA2006-08-21
Manufacturer's number3527
NHTSA componentEXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH

NHTSA's summary

REAR BRAKE LIGHTS REMAIN ON AND/OR BATTERY GOES DEAD WITH RPO JF4 (ADJUSTABLE PEDALS) ONLY. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Lighting, Brake lights

Vehicles listed
BUICK RAINIER2005
CHEVROLET TRAILBLAZER2005
GMC ENVOY2005

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

Other bulletins for the same vehicles and component
02-08-42-001I2017-08-31. Service bulletin. This informational bulletin provides an out line on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage and what should be considered warranty replacement and not