See also:

Spark plugs
Replacing spark plugs Iridium-tipped spark plugs It is not necessary to replace iridium-tipped A spark plugs as frequently as conventional type spark plugs because they last much longer. ...

Automatic transmission fluid
Contact an INFINITI retailer if replacement is required. CAUTION ► Use only Genuine NISSAN Matic S ATF. Do not mix with other fluids. ► Using automatic transmission fluid other ...

Ride & Handling
Though firmer than some in its segment — the Mercedes C-Class, for one — the G37 rides comfortably, especially given our test car's 18-inch wheels and lower-profile tires. Get on the interstate, a ...