Chaz Mostert looks ahead to Walkinshaw Andretti United's last Holden event, the last Holden event in the Supercars Championship altogether, and the end of the Gen2 era, in Adelaide. <iframe title="YouTube video player" src="https://www.youtube.com/embed/_42rmHxYmbM" width="560" height="315" frameborder="0" allowfullscreen="allowfullscreen"></iframe>