354
GS450h_OM_OM30E99U_(U)
6-3. Do-it-yourself maintenance
The coolant level is satisfactory if it is between the “FULL” and “LOW” lines on
the reservoir when the hybrid system is cold.
■
Engine coolant reservoir
Reservoir cap
“FULL” line
“LOW” line
If the level is on or below the “LOW”
line, add coolant up to the “FULL”
line. (
■
Power control unit coolant reservoir
Reservoir cap
“FULL” line
“LOW” line
If the level is on or below the “LOW”
line, add coolant up to the “FULL”
line. (
■
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 and 50% deionized water.
(Minimum temperature: -31
F [-35
C])
Canada:
“Toyota Super Long Life Coolant” is a mixture of 55% coolant and 45% deionized water.
(Minimum temperature: -44
F [-42
C])
For more details about coolant, contact your Lexus dealer.
■
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 your Lexus dealer test the cap and check for leaks in the
cooling system.
Coolant
1
2
3
1
2
3
Summary of Contents for GS450h2016
Page 7: ...7 1 8 7 6 5 4 3 2 GS450h_OM_OM30E99U_ U 9 ...
Page 24: ...24 Pictorial index GS450h_OM_OM30E99U_ U ...
Page 114: ...114 GS450h_OM_OM30E99U_ U 2 Instrument cluster ...
Page 164: ...164 GS450h_OM_OM30E99U_ U 3 5 Opening closing the windows and moon roof ...
Page 278: ...278 GS450h_OM_OM30E99U_ U 4 6 Driving tips ...
Page 390: ...390 GS450h_OM_OM30E99U_ U 6 3 Do it yourself maintenance ...
Page 464: ...464 7 2 Steps to take in an emergency GS450h_OM_OM30E99U_ U ...
Page 542: ...542 Alphabetical index GS450h_OM_OM30E99U_ U ...
Page 543: ...543 Alphabeticalindex GS450h_OM_OM30E99U_ U ...