There is a very strong likelyhood that there is no such code in that remote. You would probably need to upgrade to the most recent remote, which will have a larger code base.
Here are the Vizio remote codes (some or all of which may not be in your remote):
505, 627, 775, 758, 756, 885, 864
Here are the Vizio remote codes (some or all of which may not be in your remote):
505, 627, 775, 758, 756, 885, 864