See also:

Brake pad wear indicators
The disc brake pads on your vehicle have audible wear indicators. When a brake pad requires replacement, a high pitched scraping or screeching sound will be heard when the vehicle is in motion. Th ...

Turn signal/hazard indicator lights
The appropriate light flashes when the turn signal switch is activated. Both lights flash when the hazard switch is turned on. ...

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 ...