15155 - CUSTOMER SATISFACTION PROGRAM. CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE, CADILLAC ESCALADE ESV, CHEVROLET SILVERADO CREW CAB, CHEVROLET SUBURBAN, CHEVROLET TAHOE, GMC SIERRA CREW CAB, GMC YUKON, AND GMC YUKON XL VEHICLES MAY HAVE A CONDITION THAT CAN ALLOW WATER TO LEAK INTO THE VEHICLE’S ROOF-MOUNTED ANTENNA. THIS CONDITION COULD PREVENT THE VEHICLE’S ONSTAR SYSTEM FROM ACCURATELY DETERMINING THE VEHICLE’S LOCATION; DISABLE THE VEHICLE’S COMPASS, NAVIGATION, AND XM RADIO SYSTEMS; ILLUMINATE THE VEHICLE’S RED ONSTAR LED INDICATOR; AND ALLOW WATER INTO THE INTERIOR PASSENGER COMPARTMENT. DEALERS ARE TO REPLACE THE ONSTAR® ANTENNA.
