2021 TOYOTA SIENNA HYBRID engine coolant

differential door lock automatic transmission fold seats fuses heating

Page 41 of 68

TOYOTA SIENNA HYBRID 2021 Warranties & Maintenance Guides (in English) 39
MAINTENANCE LOG
MAINTENANCE
15,000 miles or 18 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■��

39
MAINTENANCE LOG
MAINTENANCE
15,000 miles or 18 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■��
■��
■��
NOTE: If 0W-16 oil WAS NOT used at the last oil change, replace engine oil and oil filter.2
Inspect the following: _Ball joints and dust covers _Brake lines and hoses _Cabin air filter _Drive shaft boots _Engine/Inverter coolant5
NOTE: Driving in heavy traffic, on dirt roads or in urban, dusty or desert areas may shorten the life of the cabin air filter. Replacement may be needed if you notice reduced airflow from the air conditioner and heater or if the windows fog easily when you use the “Fresh” mode. Consult your dealer if any of these conditions occur.
Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads: ■Inspect engine air filter
■��
■��
Driving while towing, using a car-top carrier, or heavy vehicle loading:6
■Replace engine oil and oil filter2
■ ��
Repeated trips of less than five miles in temperatures below 32°F / 0°C: ■Replace engine oil and oil filter2
Extensive idling and/or low speed driving for a long distance such as police, taxi or door-to-door delivery use: ■Replace engine oil and oil filter2
Dealer Service verification:
Date:Mileage:
■Inspect wiper blades
■��
■ ��
� �� ■�� Owner’s Manual for details.
Maintenance Log
_Exhaust pipes and mountings _Radiator, condenser and/or intercooler _Steering gear _Steering linkage and boots
126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 39126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 399/15/20 9:36 AM9/15/20 9:36 AM

Page 43 of 68

TOYOTA SIENNA HYBRID 2021 Warranties & Maintenance Guides (in English) 41Maintenance Log
MAINTENANCE LOG
MAINTENANCE
30,000 miles or 36 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■��

41Maintenance Log
MAINTENANCE LOG
MAINTENANCE
30,000 miles or 36 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■��
■��
■��
■��
■��
■��
■��
■��
Inspect the following: _ Automatic transmission for signs of leakage _Ball joints and dust covers _Brake lines and hoses _ Brake linings/drums and brake pads/discs5
_Drive shaft boots _Engine/Inverter coolant6
Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads: ■Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:7
■Tighten nuts and bolts on chassis and body
_Exhaust pipes and mountings _ Fuel lines and connections, fuel tank band and fuel tank vapor vent system hoses _Fuel tank cap gasket _Radiator, condenser and/or intercooler _Rear differential oil (AWD) _Steering gear _Steering linkage and boots
1 Inspect sealed transmissions, transfer cases and differentials for signs of leakage. If any leakage from a sealed component is suspected, it is recommended that you have the sealed component inspected by a Toyota dealer. Inspect power steering fluid (if equipped) and brake fluid level/condition. Inspect engine and inverter (if equipped) coolant level/condition/freezing point. Your dealer may recommend services (Dealer-Recommended Maintenance) based on inspection results.2 Reset the oil replacement reminder light (“MAINT REQD”) or the message “OIL MAINTENANCE REQUIRED” on the multi-information display after maintenance at every 5,000 miles.3 Perform these service items only if you drive primarily under the conditions indicated. 4 Visually check the HV battery cooling intake ﬁlter for dirt or dust every 5,000 miles and clean if necessary. Clean every 20,000 miles.5 Inspect thickness measurement and disc runout.6 Refer to “Engine/Inverter Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for more information.7 Not all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details.
Dealer Service verification:
Date:Mileage:
126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 41126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 419/15/20 9:36 AM9/15/20 9:36 AM

Page 45 of 68

TOYOTA SIENNA HYBRID 2021 Warranties & Maintenance Guides (in English) 43Maintenance Log
MAINTENANCE LOG
MAINTENANCE
45,000 miles or 54 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■��

43Maintenance Log
MAINTENANCE LOG
MAINTENANCE
45,000 miles or 54 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■��
■��
■��
NOTE: If 0W-16 oil WAS NOT used at the last oil change, replace engine oil and oil filter.2
Inspect the following: _Ball joints and dust covers _Brake lines and hoses _Cabin air filter _Drive shaft boots _Engine/Inverter coolant5
NOTE: Driving in heavy traffic, on dirt roads or in urban, dusty or desert areas may shorten the life of the cabin air filter. Replacement may be needed if you notice reduced airflow from the air conditioner and heater or if the windows fog easily when you use the “Fresh” mode. Consult your dealer if any of these conditions occur.
Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads: ■Inspect engine air filter
■��
■��
Driving while towing, using a car-top carrier, or heavy vehicle loading:6
■Replace engine oil and oil filter2
■ ��
Repeated trips of less than five miles in temperatures below 32°F / 0°C: ■Replace engine oil and oil filter2
Extensive idling and/or low speed driving for a long distance such as police, taxi or door-to-door delivery use:
■Replace engine oil and oil filter2
Dealer Service verification:
Date:Mileage:
■��
■��
■ ��
� �� ■�� Owner’s Manual for details.
_Exhaust pipes and mountings _Radiator, condenser and/or intercooler _Steering gear _Steering linkage and boots
126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 43126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 439/15/20 9:36 AM9/15/20 9:36 AM

Page 47 of 68

TOYOTA SIENNA HYBRID 2021 Warranties & Maintenance Guides (in English) 45Maintenance Log
MAINTENANCE LOG
MAINTENANCE
60,000 miles or 72 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■��

45Maintenance Log
MAINTENANCE LOG
MAINTENANCE
60,000 miles or 72 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■��
■��
■��
■��
Inspect the following: _ Automatic transmission for signs of leakage _Ball joints and dust covers _Brake lines and hoses _ Brake linings/drums and brake pads/discs5
_Drive shaft boots
_Engine/Inverter coolant6
Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads: ■Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:7
■Replace automatic transmission fluid
■��
■��

Dealer Service verification:
Date:Mileage:
_exhaust pipes and mountings _ fuel lines and connections, fuel tank band and fuel tank vapor vent system hoses _fuel tank cap gasket _radiator, condenser and/or intercooler _rear differential oil (aWD) _Steering gear _Steering linkage and boots
1 inspect sealed transmissions, transfer cases and differentials for signs of leakage. if any leakage from a sealed component is suspected, it is recommended that you have the sealed component inspected by a toyota dealer. inspect power steering fluid (if equipped) and brake fluid level/condition. inspect engine and inverter (if equipped) coolant level/condition/freezing point. Your dealer may recommend services (Dealer-recommended Maintenance) based on inspection results.2 reset the oil replacement reminder light (“Maint reQD”) or the message “oil Maintenance reQUireD” on the multi-information display after maintenance at every 5,000 miles.3 Perform these service items only if you drive primarily under the conditions indicated.4 visually check the Hv battery cooling intake �lter for dirt or dust every 5,000 miles and clean if necessary. clean every 20,000 miles.5 inspect thickness measurement and disc runout.6 refer to “engine/inverter coolant” in the “explanation of Maintenance items” section in the back of this guide for more information. 7 not all vehicles are designed for towing. refer to your vehicle Owner’s Manual for details.
■��
■��
■��
■��
126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 45126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 459/15/20 9:36 AM9/15/20 9:36 AM

Page 49 of 68

TOYOTA SIENNA HYBRID 2021 Warranties & Maintenance Guides (in English) 47Maintenance Log
MAINTENANCE LOG
MAINTENANCE
75,000 miles or 90 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■��

47Maintenance Log
MAINTENANCE LOG
MAINTENANCE
75,000 miles or 90 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■��
■��
■��
NOTE: If 0W-16 oil WAS NOT used at the last oil change, replace engine oil and oil filter.2
Inspect the following: _Ball joints and dust covers _ Exhaust pipes and mountings _Brake lines and hoses _ Radiator, condenser and/or intercooler _Cabin air filter _ Steering gear _Drive shaft boots _ Steering linkage and boots _Engine/Inverter coolant5
NOTE: Driving in heavy traffic, on dirt roads or in urban, dusty or desert areas may shorten the life of the cabin air filter. Replacement may be needed if you notice reduced airflow from the air conditioner and heater or if the windows fog easily when you use the “Fresh” mode. Consult your dealer if any of these conditions occur.
Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads: ■Inspect engine air filter
■��
■�� Driving while towing, using a car-top carrier, or heavy vehicle loading:6
■Replace engine oil and oil filter2
■��
Repeated trips of less than five miles in temperatures below 32°F / 0°C: ■Replace engine oil and oil filter2
Extensive idling and/or low speed driving for a long distance such as police, taxi or door-to-door delivery use: ■Replace engine oil and oil filter2
Dealer Service verification:
Date:Mileage:
■��
■��
■ ��
� �� ■�� Owner’s Manual for details.
126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 47126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 479/15/20 9:36 AM9/15/20 9:36 AM

Page 51 of 68

TOYOTA SIENNA HYBRID 2021 Warranties & Maintenance Guides (in English) 49Maintenance Log
MAINTENANCE LOG
MAINTENANCE
90,000 miles or 108 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■��

49Maintenance Log
MAINTENANCE LOG
MAINTENANCE
90,000 miles or 108 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■��
■��
■��
■��
■��
■��
■��
■��
Inspect the following: _ Automatic transmission for signs of leakage _Ball joints and dust covers _Brake lines and hoses _ Brake linings/drums and brake pads/discs5
_Drive shaft boots _Engine/Inverter coolant6
Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads: ■Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:7
■Tighten nuts and bolts on chassis and body
Dealer Service verification:
Date:Mileage:
_exhaust pipes and mountings _ fuel lines and connections, fuel tank band and fuel tank vapor vent system hoses _fuel tank cap gasket _radiator, condenser and/or intercooler _rear differential oil (aWD) _Steering gear _Steering linkage and boots
1 inspect sealed transmissions, transfer cases and differentials for signs of leakage. if any leakage from a sealed component is suspected, it is recommended that you have the sealed component inspected by a toyota dealer. inspect power steering fluid (if equipped) and brake fluid level/condition. inspect engine and inverter (if equipped) coolant level/condition/freezing point. Your dealer may recommend services (Dealer-recommended Maintenance) based on inspection results.2 reset the oil replacement reminder light (“Maint reQD”) or the message “oil Maintenance reQUireD” on the multi-information display after maintenance at every 5,000 miles.3 Perform these service items only if you drive primarily under the conditions indicated.4 visually check the Hv battery cooling intake �lter for dirt or dust every 5,000 miles and clean if necessary. clean every 20,000 miles.5 inspect thickness measurement and disc runout.6 refer to “engine/inverter coolant” in the “explanation of Maintenance items” section in the back of this guide for more information.7 not all vehicles are designed for towing. refer to your vehicle Owner’s Manual for details.
126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 49126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 499/15/20 9:36 AM9/15/20 9:36 AM

Page 53 of 68

TOYOTA SIENNA HYBRID 2021 Warranties & Maintenance Guides (in English) 51Maintenance Log
MAINTENANCE LOG
MAINTENANCE
105,000 miles or 126 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■��

51Maintenance Log
MAINTENANCE LOG
MAINTENANCE
105,000 miles or 126 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■��
■��
■��
NOTE: If 0W-16 oil WAS NOT used at the last oil change, replace engine oil and oil filter.2
Inspect the following: _Ball joints and dust covers _ Exhaust pipes and mountings _Brake lines and hoses _ Radiator, condenser and/or intercooler _Cabin air filter _ Steering gear _Drive shaft boots _ Steering linkage and boots _Engine/Inverter coolant6
NOTE: Driving in heavy traffic, on dirt roads or in urban, dusty or desert areas may shorten the life of the cabin air filter. Replacement may be needed if you notice reduced airflow from the air conditioner and heater or if the windows fog easily when you use the “Fresh” mode. Consult your dealer if any of these conditions occur.

Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads: ■Inspect engine air filter
■��
■��
Driving while towing, using a car-top carrier, or heavy vehicle loading:7
■Replace engine oil and oil filter2
■��
Repeated trips of less than five miles in temperatures below 32°F / 0°C: ■Replace engine oil and oil filter2
Extensive idling and/or low speed driving for a long distance such as police, taxi or door-to-door delivery use:
■Replace engine oil and oil filter2
Dealer Service verification:
Date:Mileage:
■��
■��
■ ��
� �� ■�� Owner’s Manual for details.
126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 51126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 519/15/20 9:36 AM9/15/20 9:36 AM

Page 55 of 68

TOYOTA SIENNA HYBRID 2021 Warranties & Maintenance Guides (in English) 53Maintenance Log
MAINTENANCE LOG
MAINTENANCE
120,000 miles or 144 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■��

53Maintenance Log
MAINTENANCE LOG
MAINTENANCE
120,000 miles or 144 months
■ Add Toyota EFI Tank Additive or equivalent (Hawaii, Puerto Rico and Saipan only)
■��
■��
■��
■��
Inspect the following: _ Automatic transmission for signs of leakage _Ball joints and dust covers _Brake lines and hoses _ Brake linings/drums and brake pads/discs6
_Drive shaft boots _Engine/Inverter coolant7
Additional Maintenance Items for Special Operating Conditions3
Driving on dirt roads or dusty roads: ■Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:8
■Replace automatic transmission fluid
■��
■��

Dealer Service verification:
Date:Mileage:
_exhaust pipes and mountings _ fuel lines and connections, fuel tank band and fuel tank vapor vent system hoses _fuel tank cap gasket _radiator, condenser and/or intercooler _rear differential oil (aWD) _Steering gear _Steering linkage and boots
■��
■��
■��
■��
■��
� �� ■�� Owner’s Manual for details.
126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 53126980_19-TCS-14210 MY21 SIENNA WMG 2_R1.indd 539/15/20 9:36 AM9/15/20 9:36 AM

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