See also:

Octane rating tips
Using unleaded gasoline with an octane rating lower than recommended can cause persistent, heavy “spark knock”. (Spark knock is a metallic rapping noise.) If severe, this can lead to engin ...

Change intervals
The oil and oil filter change intervals for your engine are based on the use of the specified quality oils and filters. Using engine oil and filters that are not of the specified quality, or exc ...

The Inside
Even though its swoopy styling might suggest limited cabin space, the five-seat Altima has sufficient room in both the front and rear seats. The optional leather front bucket seats are comfortable ...