Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# PI1065.
Information on Headlamp Tool Supplied in Tool Kit
Some customers may comment that the vehicle comes with a supplied tool but they are unaware what the tool is used for. This tool is stored with the emergency tire sealant and air compressor kit, or with the jack and wheel wrench package. The tool locations are detailed below.