Note. Wear protective gloves.
Do not damage the door paintwork.
1. Starting at the front, pull the outer door glass gasket A up where the inner molding B meets the inner edge of the glass channel.
2. Pull the back of the outer gasket A of the door glass and unhook the front retainer B, then remove the gasket.
3. Securely press the retainer parts of the outer door glass gasket.