See also:

AM radio reception
AM signals, because of their low frequency, can bend around objects and skip along the ground. In addition, the signals can be bounced off the ionosphere and bent back to earth. Because of thes ...

Seat belts with pretensioners (front seats)
- The pretensioners cannot be reused after activation. They must be replaced together with the retractor and buckle as a unit. - If the vehicle becomes involved in a collision but a prete ...

Styling
The Sentra's tall stance and short hood and trunklid make the car look a bit stubby in profile. It's not nearly as sleek as the Civic, which is still futuristic looking even though it's been aroun ...