Toyota Yaris: 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 ...
If the shift lever cannot be shifted from P (vehicles with an automatic transmission)
If the shift lever cannot be shifted with your foot on the brake pedal, there
may be a problem with the shift lock system (a system to prevent accidental operation
of the shift lever). Have the ve ...
Checking battery condition
—Precautions
CAUTION.
BATTERY PRECAUTIONS.
The battery produces flammable and explosive hydrogen gas.
Do not cause a spark from the battery with tools.
Do not smoke or light a match near the ...