Lexus RX 450h Owner's Manual page 492

490 6-3. Do-it-yourself maintenance
may result in the following:
Reduced fuel economy
●
Reduced driving comfort and poor han-
●
dling
Reduced tire life due to wear
●
Reduced safety
●
Damage to the drive train
●
If a tire needs frequent inflating, have it
checked by your Lexus dealer.
Instructions for checking tire inflation
■
pressure
When checking tire inflation pressure,
observe the following:
Check only when the tires are cold.
●
If your vehicle has been parked for at
least 3 hours or has not been driven for
more than 1.5 km or 1 mile, you will get an
accurate cold tire inflation pressure read-
ing.
Always use a tire pressure gauge.
●
It is difficult to judge if a tire is properly
inflated based only on its appearance.
It is normal for the tire inflation pressure
●
to be higher after driving as heat is gen-
erated in the tire. Do not reduce tire infla-
tion pressure after driving.
Passengers and luggage weight should
●
be placed so that the vehicle is balanced.
WARNING
Proper inflation is critical to save tire
■
performance
Keep your tires properly inflated.
If the tires are not properly inflated, the
following conditions may occur which
could lead to an accident resulting in
death or serious injury:
Excessive wear
●
Uneven wear
●
Poor handling
●
Possibility of blowouts resulting from
●
overheated tires
� � � � � � � � � � � � � � � � �
Air leaking from between tire and
●
wheel
Wheel deformation and/or tire dam-
●
age
Greater possibility of tire damage
●
while driving (due to road hazards,
expansion joints, sharp edges in the
road, etc.)
NOTICE
When inspecting and adjusting tire
■
inflation pressure
Be sure to put the tire valve caps back on.
If a valve cap is not installed, dirt or mois-
ture may get into the valve and cause an
air leak, resulting in decreased tire infla-
tion pressure.