Toyota Yaris: Iridium-tipped spark plugs
Second generation (XP90; 2005–2010) / Toyota Yaris XP90 2005–2010 Owner's Manual / Information before driving your Toyota / Iridium-tipped spark plugs

Your engine is fitted with iridium-tipped spark plugs.
NOTICE.
Use only iridium-tipped spark plugs.
Do not adjust gaps for engine performance or smooth driveability.
Facts about engine oil consumption
FUNCTIONS OF ENGINE OIL
Engine oil has the primary functions of lubricating and cooling the inside of
the engine, and plays a major role in maintaining the engine in proper working order.
ENGINE ...
Brake system
The tandem master cylinder brake system is a hydraulic system with two separate
sub-systems. If either sub-system should fail, the other will still work. However,
the pedal will be harder to press ...
See also:
Air flow selector settings
...
Using the interior lights
Interior lights list
Personal lights (→P. 203)
Interior light (→P. 203)
Personal lights
Turns the lights on/off
Interior light
Turns the lights off
Turns the lights on/off ...
When trouble arises
What to do if the vehicle needs to be towed, gets a flat tire, or is involved
in an accident. ...