See also:

Installing the spare tire
Installing the spare tire The spare tire is designed for emergency use. See specific instructions under the heading “Wheels and tires” in the “Maintenance and do-it-yourself” section ...

Three-way catalyst
The three-way catalyst is an emission control device installed in the exhaust system. Exhaust gases in the three-way catalyst are burned at high temperatures to help reduce pollutants. ` ...

SE-R and SE-R Spec V
The Sentra SE-R and SE-R Spec V are sporty variants with a 2.5-liter four-cylinder. The SE-R is built for mainstream consumers who want a sportier feel; the Spec V is geared toward the enthusiast ...