BUICK/CHEVROLET/GMC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. POWER DOOR LOCK AND POWER WINDOW SWITCHES MAY HAVE A SHORT, CAUSED BY FLUID ENTERING DRIVER'S DOOR MODULE, AND MAY BECOME INOPERATIVE OR OPERATE INTERMITTENTLY. MODELS 2006-2007 RAINIER, TRAILBLAZER EXT, TRAILBLAZER, ENVOY, ENVOY XL. *PE
