Description: Tahoe, Yukon, Escalade. Avalanche, Escalade EXT. Escalade ESV. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle Opens and closes the sunroof at the push of a button Designed for plug and play instillation This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors