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GM Features to Look For: Speed Limit Indication, Magnesium Door Panels, and Carbon Fiber Wheels

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General Motors has been working on more than just its new car-sharing program—it has also been working on some new and interesting features.

2014 Cadillac CTS Digital Gauge Cluster with Speed Limit

First, you have a specific feature that comes with GM’s newest-generation navigation system—in addition to the directions, the system displays the speed limit of the specific road on which you are driving, right in the center of your instrument cluster, as well as in the Head-Up Display in cars which are equipped with it. This limit is found using a database in the vehicle’s navigation system.

More from GM: Check out Chevrolet’s awesome lineup of SUVs

Body-color door handles can be found on the new Cadillac CT6

A different feature GM is considering (but has not confirmed) has to do with weight saving, in the form of replacing the heavy steel in the vehicle’s door panels with lighter-weight magnesium. By doing this, GM said that it can shave off a little over 10 pounds per inner-door panel, since the magnesium is 50% lighter than the older steel. In addition, making the inner door panels in the new material allows the company to consolidate seven separate inner-door components into one, increasing stiffness.

The Ford Shelby GT350R will be the first mass-produced vehicle to come standard with carbon fiber wheels

Finally, GM announced that it would soon be introducing another weight-saving measure by equipping vehicles with carbon fiber wheels. However, unlike competitors like Ford (who already uses carbon fiber composite wheels on its Shelby GT350R), GM wants to apply these wheels to both on-track performance and regular road use. The wheels offer a number of benefits in addition to saving weight (a savings of about 35 pounds per vehicle)—carbon fiber is stiffer than the aluminum currently popular in car wheels, and are more resistant to damage from potholes and other debris.

Even More GM-y Goodness: Check out the full lineup of Chevy trucks

News Source: GM Authority