Lexus ES 300h Owner's Manual page 408

NOTICE
Avoid overfilling, or the engine could
●
be damaged.
Check the oil level on the dipstick
●
every time you refill the vehicle.
● Be sure the engine oil filler cap is prop-
erly tightened.
Checking the coolant
The coolant level is satisfactory if it is
between the "F"/"FULL" and
"L"/"LOW" lines on the reservoir when
the hybrid system is cold.
Engine coolant reservoir
■
Reservoir cap
A
"F" line
B
"L" line
C
If the level is on or below the "L" line, add
coolant up to the "F" line. (P.479)
6-3. Do-it-yourself maintenance
Power control unit coolant reser-
■
voir
Reservoir cap
A
"FULL" line
B
"LOW" line
C
If the level is on or below the "LOW" line,
add coolant up to the "FULL" line.
(P.479)
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.
"Toyota Super Long Life Coolant" is a mix-
ture of 50% coolant and 50% deionized
water. (Minimum temperature: -35°C [-
31°F])
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
coolant/power control unit coolant reser-
voir 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.
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