The following may indicate that your vehicle is overheating.
Correction procedures
If you do not see steam: carefully lift the hood.

If a large amount of coolant leaks, immediately contact your toyota dealer.

Water can be used in an emergency if coolant is unavailable.

The fans operate when the air conditioning system is turned on immediately after a cold start. Confirm that the fans are operating by checking the fan sound and air flow. If it is difficult to check these, turn the air conditioning system on and off repeatedly. (The fans may not operate in freezing temperatures.)
If the fans are operating: have the vehicle inspected at the nearest toyota dealer.
Caution
When inspecting under the hood of your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
Notice
When adding engine coolant
Add coolant slowly after the engine has cooled down sufficiently. Adding cool coolant to a hot engine too quickly can cause damage to the engine.
To prevent damage to the cooling system
Observe the following precautions:
If the vehicle battery
is discharged
If the vehicle becomes
stuckEngine immobilizer system
The vehicle's keys have
built-in transponder chips
that prevent the engine from
starting if a key has not
been previously registered
in the vehicle's on-board
computer.
Never leave the keys inside
the vehicle when you leave
the vehicle.
This system is designed to
help prevent vehicle theft but
does ...
Ig2 relay
On-vehicle inspection
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Remove ig2 relay
Remove the no. 1 Engine room re ...
Inside vehicle
General maintenance
Performing the following maintenance checks on the vehicle
is the owner's responsibility. The owner may perform the
maintenance or take the vehicle to a service center. Check
the parts of the vehicle described below on a daily basis. In
most cases, special tools are not requ ...