Lexus RX 350 2010 Updated Maintenance Requirements page 32

EXPLANATION OF MAINTENANCE ITEMS
Road Test
While driving the vehicle, check for
proper operation of engine, transmis-
sion, brakes and steering. Also check
for abnormal noise or vibration from
any part of the vehicle.
Spark Plugs
Replace at specified interval. Install
new plugs of the same type as origi-
nally equipped (see your Owner's
Manual). A qualified technician should
perform this operation. RX 350 own-
ers: To ensure optimum engine per-
formance, replace only with Denso
FK20HR11 plugs or equivalent.
Steering Linkage and Boots
With the vehicle stopped, check for
excessive freeplay in the steering
wheel. Inspect the linkage for bending
and damage and the dust boots for
deterioration, cracks and damage.
Replace any damaged parts. A quali-
fied technician should perform these
operations.
Timing Chain
Your vehicle is equipped with a timing
chain that requires no periodic
inspection.
30 Scheduled Maintenance Log
Tire-Pressure Warning Sensors
A tire-pressure sensor is mounted on
each full-size wheel. These sensors
do not require periodic maintenance.
When a sensor' s long-life lithium bat-
tery becomes discharged, the battery
should be replaced by a qualified
technician following procedures in
Lexus service and repair publications.
Tire Rotation
Tires should be rotated according
to the instructions in your Owner's
Manual. When rotating tires, check
pressure and check for damage and
uneven wear. If the spare is not rotat-
ed, check the condition and pressure
of the spare.
Transfer Case Oil (RX 350)
Check for correct oil level and
inspect each component for signs of
leakage. If you discover any leakage,
have it repaired immediately by a
qualified technician. For correct oil,
refer to your Owner's Manual.
Transmission Fluid (RX 350)
Inspect each transmission component
for signs of leakage. If you discover
any leakage, have it repaired immedi-
ately by a qualified technician.