Engine Air Filter; Differential Oil; Drive Belt - Lexus 2013 GS 350 Owner's Manual

Brake Pads, Calipers and Rotors
Check brake pads and rotors for
excessive wear; check brake rotors
for runout. Check brake calipers for
fluid leakage. Some models are
equipped with directional rotors.
When servicing these rotors, reinstall
at same location. A qualified techni-
cian should perform these operations.

Differential Oil

Inspect each differential component
for signs of leakage. If you discover
any leakage, have it repaired immedi-
ately by a qualified technician. Refer
to your Owner's Manual for fluid
specifications.

Drive Belt

Inspect for cracks, excessive wear
and oiliness. Check the belt tension
and adjust if necessary. Replace the
belt if it is damaged.
Driver's Floor Mat
Only use the driver' s floor mat
•
designed specifically for the
model and model year of your
vehicle, such as Lexus Genuine
floor mats.
• Always properly secure the dri-
ver' s floor mat using the retaining
hooks.
EXPLANATION OF MAINTENANCE ITEMS
Never install another floor mat
•
on top of the existing driver' s
floor mat.
Never install the driver' s floor
•
mat upside down.

Engine Air Filter

Check for excessive dirt, damage
and oiliness. Replace if necessary.
Engine Coolant
When inspecting, visually check
the engine coolant level on the see-
through reservoir. Add coolant as
necessary. When replacing, drain
the cooling system and refill with
coolant. Always use Genuine
Toyota Super Long-Life Coolant
or similar high-quality non-silicate,
non-amine, non-nitrate, non-borate
ethylene-glycol coolant with long-life
hybrid organic acid technology (i.e.,
a combination of low phosphates and
organic acids). Check that the radia-
tor is not blocked with leaves, dirt or
insects and clean if necessary. Also
check the hose connection for cor-
rosion and condition of installation.
A qualified technician should perform
these operations.
Note: Initial replacement is at 120
months/100,000 miles. Replace
every 60 months/50,000 miles
thereafter.
Scheduled Maintenance Log 69