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’03 4Runner_U (L/O 0305)
249
2003 4RUNNER from Apr. ’03 Prod. (OM35820U)
For detailed information on oil level check,
see “Checking the engine oil level” on
page 324 in Section 7–2.
Your engine is fitted with iridium–tipped
spark plugs.
NOTICE
Use only iridium–tipped spark plugs
and do not adjust gaps for your en-
gine performance and smooth drive-
ability.
This brake system has 2 independent hy-
draulic circuits. If either circuit should fail,
the other will still work. However, the ped-
al will be harder to press, and your stop-
ping distance will increase. Also, the
brake system warning light may come on.
CAUTION
Do not drive your vehicle with only a
single brake system. Have your
brakes fixed immediately.
BRAKE BOOSTER
The brake booster uses brake fluid pres-
surized by the pump to power–assist the
brakes. If the brake booster fails during
driving, the brake system warning light
comes on and buzzer sounds continuous-
ly. In this case, the brakes may not work
properly. If they do not work well, depress
the brake pedal firmly. If the brake system
warning light comes on, immediately stop
your vehicle and contact your Toyota deal-
er.
It is not a malfunction that the brake sys-
tem warning light may stay on for 60 sec-
onds after the ignition key is turned to the
“ON” position.
Iridium–tipped spark plugs
(2UZ–FE engine)
Brake system
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