Set up the washer hose first followed by attaching the washer nozzle by practicing the same installation method employed for the opposite side. To install the rear washer nozzle (with rear wiper), the washer hose requires installation before installing the washer nozzle. The last step entails installing the No.1 rear spoiler cover (with rear wiper) according to the body and frame instructions for doors, hood, trunk, and liftgate reassembly.