title="Install the Istio sidecar in application pods automatically using the sidecar injector webhook or manually using istioctl CLI." href=/v1.13/docs/setup/additional-setup/sidecar-injection/>Installing the Sidecar</a></li><li role=none><a role=treeitem title="Describes how to customize installation configuration options." href=/v1.13/docs/setup/additional-setup/customize-installation/>Customizing the installation configuration</a></li><li role=none><a role=treeitem title="Install and use Istio with the I