Coolant type
From the owner's manual. The coolant type is a single-source spec — your owner's manual or the OEM parts catalog is the authority, and it's the final word.
System capacity
7.7 qt
Manufacturer figure

PEAK · CCT 6.6/10
Where this came from
- 2017 Toyota Camry Owner's Manual (Section 9-1 Specifications, Cooling system) — source