Things You'll Need:
- Inquisitive mind
- Patience
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Step 1
Easy to use: How easy is it to turn on and are the screens easy to read (remember that while on the road this will be come increasingly important). Screens that are too busy or too small will be hard to use. Are the screens clear in what is being presented and are the next steps or further options apparent? Is the unit intuitive (easy to understand, logical, and you are able to instinctively know how to use without opening the owners manual)?
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Step 2
Voice or Speech output: When considering the selection of a unit the speech output is important. This feature allows the driver to make driving decisions without looking at the unit, and confirms turns and lane selections. Look for a unit that has a speech language and local that is easy for you to understand.
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Step 3
Battery processes: Does the unit have a built in battery and how is the battery recharged? What is the battery life for the unit (should be at least 4 hours between charges)?
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Step 4
Mounting system: How does the unit mount in your car? Is the system compactable with all your vehicles? How easy is it to move from vehicle to vehicle?
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Step 5
Map Availability: What maps come with the unit and are maps for all locals that you would use included or at least available for a nominal fee?
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Step 6
Operation: Will the unit work in tunnels, on bridges, or underpasses?
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Step 7
Unit Size: This is a tough decision. Small units are more portable then larger units and easier to use across vehicles. But larger units have of course larger displays and after all looking at the display and being able to read it are critical. Do your best to consider this carefully!
