See also:

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. ` ...

Exterior
I find the Sentra peculiar-looking, but you can form your own opinion. As for the SE-R and SE-R Spec V variants, they have unique side sill extensions and deeper front and rear bumpers to match. A ...

Anti-lock Braking System (ABS) warning light
or When the ignition switch is placed in the ON position, the Anti-lock Braking System (ABS) warning light illuminates and then turns off. This indicates the ABS is operational. If the ABS warn ...