Affected vehicles: 2002-2003 Chevrolet Trailblazer EXT and GMC Envoy XL vehicles in specific corrosion areas

Situation: Certain affected vehicles have rear side doors that may not latch or may not unlatch properly due to corrosion caused by road splash, such as water and road salt. Depending on the location of the corrosion in the latch, the door may either be difficult to open from the inside or outside, or may bounce back when the door is swung shut from the outside. The driver information center may or may not indicate that the door is ajar. If the door is not latched properly and it goes unnoticed, it may open while the vehicle is in motion. If the occupant is unbelted, they

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