2021 TOYOTA HIGHLANDER coolant temperature

39Maintenance Log
MAINTENANCE LOG
MAINTENANCE
15,000 miles or 18 months
■ Add Toyota EFI Tank Additive or equivalent
(Hawaii, Puerto Rico and Saipan only)
■Check installation of driver’s floor mat
■Inspect and adjust all fluid levels1
■Inspect wiper blades
NOTE: If 0W-20 oil WAS NOT used at the last oil change, replace engine oil and oil filter.2
Inspect the following: _
B
all joints and dust covers

_ B

rake lines and hoses

_ C

abin air filter

_ D

rive shaft boots

_ E

ngine coolant
5
_Engine oil cooler hoses and connections


NOTE: Driving in heavy traffic , on dirt roads or in urban, dusty or desert areas may
shorten the life of the cabin air fil ter. 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.


Driving on dirt roads or dusty roads:
■Inspect engine air filter
■Replace engine oil and oil filter2
■Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:6
■Replace engine oil and oil filter2
■Replace rear differential oil (4WD)
■Replace transfer case oil (4WD)
■Tighten nuts and bolts on chassis and body
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:
D
ate: Mileage:
■Re-torque propeller shaft bolt (4WD)
■Rotate tires
■ Visually inspect brake linings/drums
and brake pads/discs
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 R eset 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 P erform these service items only if you drive primarily under the conditions indicated. 4 Includes operating on roads which road salt has been applied.5 R efer to “Engine Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for more information.6 N ot all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details.
Additional Maintenance Items for Special Operating Conditions3
_
E xhaust pipes and mountings
_R

adiator and condenser
_R

ear differential oil (4WD)
_S

teering gear
_S

teering linkage and boots
_T

ransfer case oil (4WD)
19-TCS-14200 TMY21 WMG Highlander.indd 3919-TCS-14200 TMY21 WMG Highlander.indd 398/6/20 1:50 AM8/6/20 1:50 AM

43Maintenance Log
MAINTENANCE LOG
MAINTENANCE
■Re-torque propeller shaft bolt (4WD)
■Rotate tires
■ Visually inspect brake linings/drums
and brake pads/discs
45,000 miles or 54 months
■ Add Toyota EFI Tank Additive or equivalent
(Hawaii, Puerto Rico and Saipan only)
■Check installation of driver’s floor mat
■Inspect and adjust all fluid levels1
■Inspect wiper blades
NOTE: If 0W-20 oil WAS NOT used at the last oil change, replace engine oil and oil filter.2
Inspect the following: _
B
all joints and dust covers

_ B

rake lines and hoses

_ C

abin air filter
_D

rive shaft boots

_ E

ngine coolant
5
_Engine oil cooler hoses and connections



NOTE: Driving in heavy traffic , on dirt roads or in urban, dusty or desert areas may
shorten the life of the cabin air fil ter. 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
■Replace engine oil and oil filter2
■Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:6
■Replace engine oil and oil filter2
■Replace rear differential oil (4WD)
■Replace transfer case oil (4WD)
■Tighten nuts and bolts on chassis and body
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
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 R eset 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 P erform these service items only if you drive primarily under the conditions indicated. 4 Includes operating on roads which road salt has been applied.5 R efer to “Engine Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for more information.6 N ot all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details.
Dealer Service verification:
D
ate:
Mileage:
_ E xhaust pipes and mountings
_R

adiator and condenser
_R

ear differential oil (4WD)
_S

teering gear
_S

teering linkage and boots
_T

ransfer case oil (4WD)
19-TCS-14200 TMY21 WMG Highlander.indd 4319-TCS-14200 TMY21 WMG Highlander.indd 438/6/20 1:50 AM8/6/20 1:50 AM

47Maintenance Log
■Re-torque propeller shaft bolt (4WD) ■Rotate tires ■ Visually inspect brake linings/drums
and brake pads/discs
75,000 miles or 90 months
■ Add Toyota EFI Tank Additive or equivalent
(Hawaii, Puerto Rico and Saipan only)
■Check installation of driver’s floor mat ■Inspect and adjust all fluid levels1
■Inspect wiper blades
NOTE: If 0W-20 oil WAS NOT used at the last oil change, replace engine oil and oil filter.2
Inspect the following: _
B
all joints and dust covers _ E
xhaust pipes and mountings
_B

rake lines and hoses
_ R
adiator and condenser
_C

abin air filter
_ R
ear differential oil (4WD)
_D

rive belts
_ S
teering gear
_D

rive shaft boots
_ S

teering linkage and boots
_E

ngine coolant
5 _ Transfer case oil (4WD)
_ E

ngine oil cooler hoses and connections
NOTE: Driving in heavy traffic , on dirt roads or in urban, dusty or desert areas may
shorten the life of the cabin air fil ter. 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.
Driving on dirt roads or dusty roads: ■Inspect engine air filter ■Replace engine oil and oil filter2
■Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:6
■Replace engine oil and oil filter2
■Replace rear differential oil (4WD) ■Replace transfer case oil (4WD) ■Tighten nuts and bolts on chassis and body
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
MAINTENANCE LOG
MAINTENANCE
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 R eset 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 P erform these service items only if you drive primarily under the conditions indicated. 4 Includes operating on roads which road salt has been applied.5 R efer to “Engine Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for more information.6 N ot all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details.
Dealer Service verification:
D
ate:
Mileage:
Additional Maintenance Items for Special Operating Conditions3
19-TCS-14200 TMY21 WMG Highlander.indd 4719-TCS-14200 TMY21 WMG Highlander.indd 478/6/20 1:50 AM8/6/20 1:50 AM

50Maintenance Log
MAINTENANCE LOG
MAINTENANCE
95,000 miles or 114 months
■ Add Toyota EFI Tank Additive or equivalent
(Hawaii, Puerto Rico and Saipan only)
■Check installation of driver’s floor mat
■Inspect and adjust all fluid levels1
■Inspect wiper blades
■Rotate tires
■ Visually inspect brake linings/drums
and brake pads/discs
NOTE: If 0W-20 oil WAS NOT used at
the last oil change, replace engine oil
and oil filter.
2
Additional Maintenance Items for
Special Operating Conditions3
Driving on dirt roads or dusty roads: ■Inspect ball joints and dust covers
■Inspect drive shaft boots
■Inspect engine air filter
■Inspect steering linkage and boots
■Replace engine oil and oil filter2
■Re-torque propeller shaft bolt (4WD)4
■ Tighten nuts and bolts on chassis
and body
Driving while towing, using a car-top
carrier, or heavy vehicle loading:
7
■Re-torque propeller shaft bolt (4WD)4
■ Replace engine oil and oil filter2
■ Tighten nuts and bolts on chassis
and body
R

epeated 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
100,000 miles or 120 months
■ Add Toyota EFI Tank Additive or equivalent
(Hawaii, Puerto Rico and Saipan only)
■Check installation of driver’s floor mat
■Inspect and adjust all fluid levels1
■Inspect wiper blades
■Replace engine coolant5
■Replace engine oil and oil filter2
■Rotate tires
■ Visually inspect brake linings/drums
and brake pads/discs
Additional Maintenance Items for
Special Operating Conditions3
Driving on dirt roads or dusty roads: ■Inspect ball joints and dust covers
■Inspect drive shaft boots
■Inspect engine air filter
■Inspect steering linkage and boots
■Re-torque propeller shaft bolt (4WD)4
■ Tighten nuts and bolts on chassis
and body
Driving while towing, using a car-top
carrier, or heavy vehicle loading:
7
■Re-torque propeller shaft bolt (4WD)4
■ Tighten nuts and bolts on chassis
and body
Dealer Service verification:
D
ate:
Mileage: D
ealer Service verification:
D
ate:
Mileage:
19-TCS-14200 TMY21 WMG Highlander.indd 5019-TCS-14200 TMY21 WMG Highlander.indd 508/6/20 1:50 AM8/6/20 1:50 AM

51Maintenance Log
105,000 miles or 126 months
■ Add Toyota EFI Tank Additive or equivalent
(Hawaii, Puerto Rico and Saipan only)
■Check installation of driver’s floor mat ■Inspect and adjust all fluid levels1
■Inspect wiper blades
NOTE: If 0W-20 oil WAS NOT used at the last oil change, replace engine oil and oil filter.2
Inspect the following: _
B
all joints and dust covers

_ B

rake lines and hoses

_ C

abin air filter

_ D

rive belts

_ Dr

ive shaft boots
_E

ngine coolant
6
_Engine oil cooler hoses and connections


D

riving on dirt roads or dusty roads:
■Inspect engine air filter ■Replace engine oil and oil filter2
■Tighten nuts and bolts on chassis and body
Driving while towing, using a car-top carrier, or heavy vehicle loading:7
■Replace engine oil and oil filter2
■Replace rear differential oil (4WD) ■Replace transfer case oil (4WD) ■Tighten nuts and bolts on chassis and body
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
■Re-torque propeller shaft bolt (4WD) ■Rotate tires ■ Visually inspect brake linings/drums
and brake pads/discs
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 R eset 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 P erform these service items only if you drive primarily under the conditions indicated. 4 Includes operating on roads which road salt has been applied.5 Initial replacement at 100,000 miles/120 months. Replace every 50,000 miles/60 months thereafter. Refer to “Engine
Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for more information.
6 R efer to “Engine Coolant” in the “Explanation of Maintenance Items” section in the back of this guide for more information.7 N ot all vehicles are designed for towing. Refer to your Vehicle Owner’s Manual for details.
Dealer Service verification:
D
ate:
Mileage:
Additional Maintenance Items for Special Operating Conditions3
NOTE: Driving in heavy traffic , on dirt roads or in urban, dusty or desert areas may
shorten the life of the cabin air fil ter. 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.
_ E xhaust pipes and mountings _R
adiator and condenser
_R

ear differential oil (4WD)
_S

teering gear
_S

teering linkage and boots
_T

ransfer case oil (4WD)
MAINTENANCE LOG
MAINTENANCE
19-TCS-14200 TMY21 WMG Highlander.indd 5119-TCS-14200 TMY21 WMG Highlander.indd 518/6/20 1:50 AM8/6/20 1:50 AM