|
|
|
392 6-3. Do-it-yourself maintenance Q Power control unit coolant reser- Reservoir cap “F”/“FULL” line “L”/“LOW” line If the level is on or below the “L”/“LOW” P.476) Q 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. ture of 50% coolant and 50% deionized water. (Minimum temperature: -35°C [- 31°F]) authorized Lexus retailer or Lexus autho- rized repairer, or any reliable repairer. Q If the coolant level drops within a short time of replenishing Visually check the radiator, hoses, engine/power control unit coolant reservoir caps, drain cock and water pump. If you cannot find a leak, have any autho- rized Lexus retailer or Lexus authorized repairer, or any reliable repairer, test the cap and check for leaks in the cooling sys- tem. Check the radiator and condenser and A WARNING Q When the engine <hybrid system> is hot LC500: Do not remove the engine cool- ant reservoir cap or the coolant inlet cap. ( P.476) The cooling system may be under pres- sure and may spray hot coolant if the cap is removed, causing serious injuries, such as burns. engine/power control unit coolant reser- voir caps or the coolant inlet cap. ( P.479) The cooling system may be under pres- sure and may spray hot coolant if the cap is removed, causing serious injuries, such as burns. NOTICE Q When adding 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. Q If you spill coolant Be sure to wash it off with water to pre- vent it from damaging parts or paint. Checking the radiator and con- |