Toyota Camry 2012 Owner's Manual page 343

4-3. Do-it-yourself maintenance
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Engine coolant
The coolant level is satisfactory if it is between the "F" and "L" lines on
the reservoir when the engine is cold.
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Coolant selection
Only use "Toyota Super Long Life Coolant" or a similar high quality ethylene
glycol based non-silicate, non-amine, non-nitrite, and non-borate coolant
with long-life hybrid organic acid technology.
U.S.A.: "Toyota Super Long Life Coolant" is a mixture of 50% coolant
Canada: "Toyota Super Long Life Coolant" is a mixture of 55% coolant
For more details about engine coolant, contact your Toyota dealer.
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If the coolant level drops within a short time of replenishing
Visually check the radiator, hoses, engine coolant reservoir caps, drain cock
and water pump.
If you cannot find a leak, have your Toyota dealer test the cap and check for
leaks in the cooling system.
CAUTION
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When the engine is hot
Do not remove the engine coolant reservoir cap.
The cooling system may be under pressure and may spray hot coolant if the
cap is removed, causing serious injuries, such as burns.
360
and 50% deionized water. (Minimum temperature: -31°F [-35°C])
and 45% deionized water. (Minimum temperature: -44°F [-42°C])
Reservoir cap
"F" line
"L" line
If the level is on or below the "L"
line, add coolant up to the "F" line.
(→P. 459)