The oil now in your Camry is a M1 EP 5W30.
So, top off with the Castrol 5W30. Stay with the same weight. It is just 1/2 quart you have left.
Then if you need to top off some more, now use the M1 10W40.
So, top off with the Castrol 5W30. Stay with the same weight. It is just 1/2 quart you have left.
Then if you need to top off some more, now use the M1 10W40.