Toyota 2015 Sienna Manual page 588

588
8-2. Steps to take in an emergency
The coolant level is satisfactory if it is between the "FULL" and
4
"LOW" lines on the reservoir.
Reservoir
1
"FULL" line
2
"LOW" line
3
Radiator cap
4
Add coolant if necessary.
5
Water can be used in an emer-
gency if coolant is unavailable.
Start the engine and turn the air conditioning system on to check
6
that the radiator cooling fans operate and to check for coolant leaks
from the radiator or hoses.
The fans operate when the air conditioning system is turned on immedi-
ately 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 condition-
ing system on and off repeatedly. (The fans may not operate in freezing
temperatures.)
If the fans are not operating:
7
Stop the engine immediately and contact your Toyota dealer.
If the fans are operating:
Have the vehicle inspected at the nearest Toyota dealer.
SIENNA_OM_01999-08001_(U)