2012 Lexus IS F Owners Manual - Page 400

403

4-3. Do-it-yourself maintenance

4

■

If the coolant level drops within a short time after replenishing

Visually check the radiator, hoses, coolant reservoir cap, drain cock and water

pump.

If you cannot find a leak, have your Lexus dealer test the cap and check for leaks in

the cooling system.

■

Coolant selection

Only use “Toyota Super Long Life Coolant” or 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 and 50%

deionized water. (Enabled: -31

°

F [-35

°

C])

Canada: “Toyota Super Long Life Coolant” is a mixture of 55% coolant and 45%

deionized water. (Enabled: -44

°

F [-42

°

C])

For more details about engine coolant, contact your Lexus dealer.

CAUTION

■

When the engine is hot

Do not remove the 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.

NOTICE

■

When adding engine coolant

Coolant is neither plain water nor straight antifreeze. The correct mixture of water

and antifreeze must be used to provide proper lubrication, corrosion protection

and cooling. Be sure to read the antifreeze or coolant label.

■

If you spill coolant

Be sure to wash it off with water to prevent damage to parts or paint.