Oil Level Check
Check each component for evidence of leakage, and check the oil level by removing the filler plug. If the oil is contaminated, it is necessary to replace it with new oil.1. With the vehicle parked at a level place, remove the filler plug and check that the oil level. The level must be 4 mm (0.157 in.) or less under the lower edge of the filler plug hole.
2. Check that the transmission oil is not noticeably dirty, and that it has a suitable viscosity.