A collapsible canopy apparatus (10) for use with the window frame (101) of a vehicle (100) wherein the canopy apparatus (10) includes a cover member (30) having an extension flap (33) adapted to be formed into a closed loop around the upper window frame portion (101'') and a collapsible framework member (14) having a plurality of telescoping leg members (15) that are operatively secured to one another by a pair of floating hinge elements (16); wherein, a first pair of leg members (15) are operatively connected to the lower window frame portion (101') and a second pair of leg members (15) are operatively attached to the cover member (30).