Lexus RC 350 AWD 2019 Owner's Manual page 251

on the reservoir when the engine is
cold.
Engine coolant reservoir
■
RC350/RC300 AWD

RC300

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.309)
Intercooler coolant reservoir
■
(RC300)
The coolant level is satisfactory if it is
between the "F" and "L" lines on the
reservoir when the engine is cold.
RC350AWD_RC350_RC300AWD_RC30
0_OM_(U)_1810
6-3. Do-it-yourself maintenance
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.309)
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 mix-
ture of 50% coolant and 50% deionized
water. (Minimum temperature: -31°F
[-35°C])
Canada:
"Toyota Super Long Life Coolant" is a mix-
ture 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
and intercooler 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.
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