Here's the instructions from the service manual...
AUTOMATIC TRANSAXLE FLUID
1. CHECK TRANSAXLE FLUID LEVEL
Drive the vehicle so that the engine and transaxle are at
normal operating temperature.
70 to 80
°C (158 to 176°F)
(a) Park the vehicle on a level surface and set the
(b) With the engine idling and the brake pedal
depressed, move the shift lever to each position
from P to L position, and return it to the P position.
(c) Take out the ATF dipstick and wipe it clean.
(d) Fully push the dipstick back into the pipe.
(e) Take it out and check that the fluid level is at the
If there are leaks, it is necessary to repair or replace
O-rings, FIPGs, oil seals, plugs and/or other parts.