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2008 - 2014 Corvette: Service Bulletin: Information on Glass Ultra Violet UV Ray Protection And Tint Percentage

#PIT3237G: Information on Glass Ultra Violet UV Ray Protection And Tint Percentage - (Oct 1, 2013)

Subject: Information on Glass Ultra Violet UV Ray Protection And Tint Percentage
Models: 2011-2014 Buick Regal
2008-2014 Buick Enclave, LaCrosse
2008-2011 Buick Lucerne
2008-2011 Cadillac DTS, STS
2008-2014 Cadillac CTS Models, SRX
2002-2014 Cadillac Escalade Models
2008 - 2009 Cadillac XLR
2013-2014 Cadillac ATS, XTS
2014 Cadillac ELR
2008-2010 Chevrolet Cobalt
2010-2014 Chevrolet Camaro, Cruze
2008-2009 Chevrolet Trailblazer Models
2008-2012 Chevrolet Colorado
2008 - 2014 Chevrolet Corvette, Equinox, Express, Impala Limited, Malibu
2014 Chevrolet Impala
2008-2011 Chevrolet HHR
2000-2014 Chevrolet, Suburban, Tahoe
2002-2013 Chevrolet Avalanche
2007-2014 Chevrolet Silverado
1999-2007 Chevrolet Silverado Classic
2009-2014 Chevrolet Traverse
2008-2009 Chevrolet Uplander
2011-2014 Chevrolet Volt
2008-2009 GMC Envoy Models
2007-2014 GMC Acadia, Sierra
2008-2012 GMC Canyon
1999-2007 GMC Sierra Classic
2000-2014 GMC Yukon Models
2008-2014 GMC Savana
2010-2014 GMC Terrain
2008-2009 Hummer H2, H3
2008-2010 Pontiac G3, G5, G6, Solstice
2008-2009 Pontiac Torrent, Montana SV6
2008 Pontiac Grand Prix
2008 Saturn Relay
2008-2009 Saturn Astra
2008-2010 Saturn Aura, Sky, Vue
2007-2010 Saturn Outlook

This PI was superseded to update model years. Please discard PIT3237F.

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.


Owners may question the percentage of UV protection or tint offered by the windshield or side glass.


Ultra Violet Ray Protection:

Windshield reduces UV rays down to 4% or less.

Front side door glass reduces UV rays down to 35% or less.

Rear window, doors, or 1/4 glass reduces UV rays down to 35% or less (Without RPO AJ1).

Rear window, doors, or 1/4 glass reduces UV rays down to 10% or less if equipped with Privacy Glass (With RPO AJ1).

Tint Percentage:

Windshields are SOLAR glass with a light transmittance of >/=70%.

Front door glass are Solar glass with a light transmission of >/=70%.

Rear door glass, quarter windows and back windows can use either Solar glass (>/=70%) or Privacy glass, which has a light transmittance of (nominally) 20%.

*Basically, if the glass is 'light green' in color, it is solar glass. If it is the dark gray/black glass, it is Privacy glass.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.

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