What About Do−It−Yourself Maintenance?; Vehicle Exterior; Tire Pressure; Tire Surface - Lexus LS400 Owner's Manual

MAINTENANCE
Your copy of the repair order is proof that all required maintenance
has been performed for warranty coverage. And if any problems
should arise with your vehicle while under warranty, your Lexus
dealer will promptly take care of it. Again, be sure to keep a copy
of the repair order for any service performed on your Lexus.
What about do−it−yourself maintenance?
Many of the maintenance items are easy to do yourself, if you have
a little mechanical ability and a few basic automotive tools. Simple
instructions for how to perform them are presented in Section 6.
If you are a skilled do−it−yourself mechanic, the Lexus service
manuals are recommended. Please be aware that do−it−yourself
maintenance can affect your warranty coverage. See your Owner's
Guide, Owner's Manual Supplement or Warranty Booklet for the
details.
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GENERAL MAINTENANCE
Listed below are the general maintenance items that should be
performed at the intervals specified. It is recommended that any
problem you notice be brought to the attention of your Lexus dealer
or qualified service shop for their advice.
CAUTION
Make these checks only where adequate ventilation can be
obtained if you run the engine.

Vehicle exterior

Items listed below should be performed from time to time, unless
otherwise specified.

Tire pressure

Check the pressure with a gauge every two weeks, or at least once
a month and adjust as shown on the tire pressure label. See page 241
for additional information.

Tire surface

Check the tires carefully for cuts, damage or excessive wear. See
page 243 for additional information.
Wheel nuts
When checking the tires, make sure to check the nuts for looseness.
Tighten them if necessary.