See also:

Fuel Filter
A clogged filter can limit the speed at which the vehicle may be driven, damage the emission system and cause hard starting. If an excessive amount of foreign matter accumulates in the fuel tank, ...

2011 Hyundai Sonata review
Hyundai's redesigned Sonata sedan has exploded onto the market to become one of the most popular cars available, period. It's the best example of how a good-looking product at a competitive price ...

Change to "Winter Weight" Oil if Necessary
In some climates it is recommended that a lower viscosity "winter weight" oil be used during cold weather. See Section 9 for recommendations. If you aren't sure what weight oil you s ...