The oil now in your Camry is a Mobil 1 Extended Performance 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 Mobil 1 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 Mobil 1 10W40.