> Does anyone know the song for the Buick Rendezvous commercial thats really upbeat with a guitar and tambourine? The garage opens up and down

The song is "never ending song of love" by delaney and bonnie and friends. you can find this song on kazaa.

(peak Billboard position # 13 in 1971)
Friends included, from time to time, Leon Russell, Rita Coolidge, Dave
Mason, Eric Clapton, Duane Allman and many others.
Words and Music by Delaney Bramlett