How do you make an OVRCameraRig LookAt a gameobject?

Hi,
I need to rotate my vr camera on change of skybox texture, to a direction facing the door of the interior. I am aware that due to hmd, camera rotation gets overridden, but I need to set the initial rotation on changing the skybox.
I am able to get the direction & move a normal camera by using the LookAt() func, but this does not work in VR.
I tried parenting the OVR Rig & rotating the parent object but that also is not working.

Any suggestions?