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:
Checking brake fluid
Before checking or adding the brake fluid, remove the cover. (See “(c) Jump
starting”).
To check the fluid level, simply look at the see-through reservoir. The level
should be between the ...
Break-in period
Drive gently and avoid high speeds.
Your vehicle does not need an elaborate break-in. But following a few simple
tips for the first 1600 km (1000 miles) can add to the future economy and long lif ...