What is the rear window sunshade?by caacarOctober 27, 2019 1. Sunshade rear window shades on the rear windshield glass or the car door. Tags:Professional nounsproper nouns Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Name * Email * Website Comment * Save my name, email, and website in this browser for the next time I comment. Δ