check transmission fluid TOYOTA AVALON 2021 Owners Manual (in English)

4848-1. Specifications
*: The fluid capacity is a reference quantity.
If replacement is necessary, contact your Toyota dealer.
Electrical system
Battery
Specific voltage reading at
68F (20C):12.3 V or higher
If the voltage is lower than the standard
value, charge the battery.
(When checking the voltage, after turning
the engine switch off, wait for 30 seconds
with the high beam headlights illuminated,
then turn the high beam headlights off and
check the voltage.)
Charging rates5 A max.
Automatic transaxle
Fluid capacity*
2.5 L 4-cylinder (A25A-FKS) engine
7.8 qt. (7.4 L, 6.5 Imp. qt.)
3.5 L V6 (2GR-FKS) engine
7.9 qt. (7.5 L, 6.6 Imp. qt.)
Fluid type Toyota Genuine ATF WS
NOTICE
■Transmission fluid type
Using transmission fluid other than the above type may cause abnormal
noise or vibration, or damage the transmission of your vehicle.