Genesis 46:4

I will go down The promise of the Divine presence is the assurance of safety and blessing. God is no mere local god of Canaan. He will be with His people, where they are; whether in Mesopotamia (Genesis 31:13), in Palestine (Genesis 35:3), or in Egypt.

bring thee up again i.e. from Egypt back into Canaan. The pronoun "thee" must surely be understood of the people descended from, and personified by, Jacob, and identified with his name. It does not predict his burial in Canaanite land. The words may best be illustrated from Genesis 50:24, and not from Genesis 50:13. They foretell the Exodus of the Israelites, not the burial of Jacob.

put his hand … eyes The last tender office performed by the nearest relative. The promise is fulfilled; see Genesis 50:1.