Car GPS Units

A GPS, or Global Positioning System, uses satellite information to show a car's progress towards a pre-defined destination. It does this with top-view maps that can give you traffic directions and points of interest. Units vary from basic road navigation to sophisticated units with real-time information.

How does a GPS get its information?

Map graphics and information are loaded right on the GPS navigation device. Maps and position data are combined to show your position. Units with real-time information capability receives periodic data about traffic flow, jams, detours, and other road details of interest to the driver.

When it comes to determining the best route to take, this is sometimes determined by human drivers. Workers for TomTom, Garmin, Magellan, and other GPS companies travel routes drivers frequent and personally determine what route would save time and fuel.

What are the advantages of a car-based GPS?

A car GPS has several benefits alongside the lifetime map updates A dash-mounted navigation unit has continuous power, reliable connection to data sources, and can issue warnings in real time. A car GPS also has an internal battery and can receive power from the car battery through an adapter. This assures power is always available to the unit. Additionally, a GPS navigator system receives position information all the time. A driver can pinpoint his location within 10 to 100 meters. This makes for more reliable navigation.

How do you setup a GPS?

A standalone unit has a cord and a mount. The cord is plugged into a lighter or power socket and the unit is attached to the window mount. The mount is then attached to the car's window or dashboard. When not in use, the components can be detached and stored in your glove compartment.

Using a GPS navigator is straightforward. Setting options for brightness, volume, and saving favourite locations is designed to be easy to use. GPS displays are minimalist with only the information you need. There are minimal possible interruptions to route navigation like calls or messages. GPS navigator units are made to withstand rough handling.

Does the screen size make a difference?

Glancing at directions or viewing built-in maps may be easier with a larger screen. Choose a screen size that fits your needs and overall car safety. Also keep in mind how bright the backlight is.

Can a portable navigator be used in the car?

A handheld GPS navigator or a GPS-enabled watch can be used while driving. Various GPS manufacturers like Magellan, Garmin, or TomTom offer these GPS navigation products. They can be used on the go, and are typically rechargeable as well.