604
SIENNA_OM_OM08007U_(U)
9-1. Specifications
Cooling system
Capacity 
Without towing package 
12.2 qt. (11.5 L, 10.1 Imp.qt.)
With towing package 
12.5 qt. (11.8 L, 10.4 Imp.qt.)
Coolant type Use either of the following.
• “Toyota Super Long Life Coolant” 
• A  similar  high-quality  ethylene  glycol-basednon-silicate,  non-amine,  non-nitrite,  and  non-
borate  coolant  with  long-life  hybrid  organic
acid technology
Do not use plain water alone.
Ignition system
Spark plug
Make
Gap DENSO FK20HBR8
0.03 in. (0.8 mm)
NOTICE
■
Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust spark plug gap.
Electrical system
Battery
Open voltage* at 
68 F (20 C): 12.3 V or more
If  the  voltage  is  lower  than  the  standard  value,
charge the battery.
(
*: Voltage  checked  20  minutes  after  the  engine
and all the lights turned off)
Charging rates 5 A max.