Checking The Coolant; Engine Coolant Reservoir; Coolant Selection - Lexus RC F Owner's Manual

320 6-4. Do-it-yourself maintenance
engine oil may need to be refilled in
between oil maintenance intervals.
When the engine is new, for example
●
directly after purchasing the vehicle or
after replacing the engine
If low quality oil or oil of an inappropriate
●
viscosity is used
When driving at high engine speeds or
●
with a heavy load, or when driving while
accelerating or decelerating frequently
When leaving the engine idling for a long
●
time, or when driving frequently through
heavy traffic
WARNING
Used engine oil
■
Used engine oil contains potentially
●
harmful contaminants which may
cause skin disorders such as inflamma-
tion and skin cancer, so care should be
taken to avoid prolonged and
repeated contact. To remove used
engine oil from your skin, wash thor-
oughly with soap and water.
Dispose of used oil and filters only in a
●
safe and acceptable manner. Do not
dispose of used oil and filters in house-
hold trash, in sewers or onto the
ground. Call your Lexus dealer, ser-
vice station or auto parts store for
information concerning recycling or
disposal.
Do not leave used engine oil within the
●
reach of children.
NOTICE
To prevent serious engine damage
■
Check the oil level on a regular basis.
When replacing the engine oil
■
Be careful not to spill engine oil on the
●
vehicle components.
Avoid overfilling, or the engine could
●
be damaged.
RC F̲OM̲(GE)̲1903
RC F_OM_General_OM24838E
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 "FULL" and "LOW" lines
on the reservoir when the engine is
cold.

Engine coolant reservoir

■
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.388)

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.