2009 Lexus IS250 engine

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Page 319 of 490

Lexus IS250 2009  Owners Manual 318
4-3. Do-it-yourself maintenance
08_IS350/250_U_(L/O_0808)
■If the coolant level drops within a short time after replenishing
Visually check the radiator, hoses, engine coolant filler cap, radiat

Page 320 of 490

Lexus IS250 2009  Owners Manual 319
4-3. Do-it-yourself maintenance
4
Maintenance and care
08_IS350/250_U_(L/O_0808)
Radiator and condenserCheck the radiator and condenser and clear any foreign objects. 
If either of the above parts

Page 323 of 490

Lexus IS250 2009  Owners Manual 322
4-3. Do-it-yourself maintenance
08_IS350/250_U_(L/O_0808)■
Checking battery condition
Check the battery condition using the indicator color.
Blue: Good condition
Red: Not working properly, 
have

Page 325 of 490

Lexus IS250 2009  Owners Manual 324
4-3. Do-it-yourself maintenance
08_IS350/250_U_(L/O_0808)
Washer fluidIf any washer does not work or the
warning message appears on the
multi-information display, the
washer tank may be empty. Add

Page 329 of 490

Lexus IS250 2009  Owners Manual 328
4-3. Do-it-yourself maintenance
08_IS350/250_U_(L/O_0808)■
How to initialize the tire pressure warning system
To initialize the system, use the satellite switch. ( P.  2 6 0 )
Park the vehicle

Page 330 of 490

Lexus IS250 2009  Owners Manual 329
4-3. Do-it-yourself maintenance
4
Maintenance and care
08_IS350/250_U_(L/O_0808)Recording tire inflation pressure
settings
Push and hold the “ON/OFF” but-
ton until the tire pressure warning
l

Page 343 of 490

Lexus IS250 2009  Owners Manual 342
4-3. Do-it-yourself maintenance
08_IS350/250_U_(L/O_0808)
Air conditioning filter
The air conditioning filter must be cleaned or changed regularly to main-
tain air conditioning efficiency.
■ Re

Page 348 of 490

Lexus IS250 2009  Owners Manual 347
4-3. Do-it-yourself maintenance
4
Maintenance and care
08_IS350/250_U_(L/O_0808)
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have blown.
If this hap