July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Fluid - Differential

IS250 2WD W Limtied Slip Differential and IS250 AWD:
Hypoid Gear Oil API GL-5
Recommended oil viscosity
Above -18°C (0°F) SAE 90
Below -18°C (0°F) SAE 80W or 80W-90

All Other Differentials:

Differential Fluid Type

Toyota Genuine Differential Synthetic Gear Oil API GL-5 SAE LT 75W-85 or its equivalent.