368
4-3. Do-it-yourself maintenance
Coolant
The coolant level is satisfactory if it is between the “FULL” and “LOW”
lines on the reservoir when the hybrid system is cold.
Reservoir cap
Full
Low
If the level is on or below the
“LOW” line, add coolant up to the
“FULL” line.
■
If the coolant level drops within a short time after replenishing
Visually check the radiator, hoses, reservoir cap, radiator cap, drain cock and water
pump.
If you cannot find a leak, have your Lexus dealer pressure 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/inverter coolant, contact your Lexus dealer.
Summary of Contents for OM30727U
Page 20: ...xx ...
Page 112: ...92 1 8 Safety information ...
Page 330: ...310 3 5 Using the interior lights Rear ON OFF Customization Settings can be changed P 504 ...
Page 338: ...318 3 7 Other interior features Vanity mirror The light turns on when the cover is opened ...
Page 526: ...506 6 3 Initialization ...
Page 527: ...For US owners 7 507 Reporting safety defects for U S A owners 508 ...
Page 529: ...Index 509 Alphabetical index 510 Whattodoif 518 ...