Just a few years ago, adding a navigation system to your vehicle meant purchasing bulky components that required complex installation and the use of multiple CD-ROMs or DVD-ROMs to download the appropriate maps. Nowadays, many navigation systems come pre-loaded with maps and features designed to suit just about any budget and level of use.
Use this introduction to determine whether you want an in-dash setup that preserves your car's factory look, a portable GPS that is easy to use and install, or a handheld GPS that you can use in the mountains, on the water, and in your car. Then use our shopping guides to learn how to choose the right model for you.
Types of in-car navigation systems
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In-dash Navigation
If you want to maintain the factory look of your dash and add the convenience of a large fold-out monitor, look for an in-dash navigation system. A typical in-dash navigation system consists of a car stereo with a built-in monitor (ranging from 6-1/2" to 7"), a hideaway connection box that contains A/V inputs and outputs, and an external GPS antenna. The stereo mounts in the factory stereo slot in your dash. The hideaway box is usually mounted behind the dash or under a front seat. In addition to CD playback and AM/FM reception, most in-dash systems include DVD playback, so you can watch a movie on the built-in screen when parked. Installation of an in-dash system can be complex, as they require connection to power, ground, the vehicle speed sensor, and the parking brake.
Warning: removing your seat could
deactivate your vehicle's SRS system.
Use our In-dash Navigation Shopping Guide for more tips on how to choose an in-dash system. For more detailed information on how to install an in-dash navigation system, see our Navigation Installation Guide.
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Remote-mount Navigation
A remote-mount navigation system consists of a self-contained GPS receiver that must be connected to a compatible in-dash stereo. See the Navigation Installation Guide for more information on installation.
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Portable Navigation
Compact and easy to use, portable plug-and-play GPS receivers are ideal for anyone who wants the convenience of in-car navigation without the hassle of a permanent installation. These portable units attach quickly to the windshield or dash and use a simple cigarette lighter adapter to draw power, which makes it easy to transfer them from vehicle to vehicle. Featuring bright color screens that range from 3.5" to 7", most portable GPS receivers also include touchscreen controls, voice prompts, a built-in speaker, and an integrated GPS antenna. GPS receivers with Bluetooth® connectivity for hands-free phone calls and voice-command recognition for touchless navigation are helping to make driving a bit safer, and the first GPS device wtih 2-way Internet connectivity is bringing customizable guidance to the road. Best of all, touchscreen user interfaces have evolved to the point where many people find they can start using a portable GPS receiver without first reading the owner's manual (although you'll always get more out of your purchase by reading the manual). For tips on how to choose the right model for you, see our Portable Navigation Shopping Guide.
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Handheld GPS
Handheld GPS receivers include models designed for camping, boating, driving (plug-and-play), and even for use as a PDA (personal digital assistant). If you plan to use a GPS receiver primarily in your car, look for either an in-dash, remote-mount, or portable system, as these include special features designed specifically for use while operating a vehicle, such as voice prompts, large, bright screens, and built-in speakers.
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Marine GPS
Marine GPS receivers feature waterproof casings, marine chartplotter maps, and even fishing tables and celestial schedules. Most can also store highway map information, so you can use your marine GPS to get you to the marina and then out to the fish.
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