See also:

Reporting safety defects (US only)
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) ...

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 ...

Automatic door locks
● All doors lock automatically when the vehicle speed reaches 15 MPH (24 km/h). ● All doors unlock automatically when the ignition is placed in the OFF position. The automatic unlock f ...