Updating soundstream navigation
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Yes, it is possible to use your smartphone for navigation, but you're also using it for a half dozen other tasks.
And, picking your smartphone up to study a tiny map is just as dangerous as texting and driving.
You'll want a model that is large enough to clearly see, but not one that interferes with your view of the road.
A navigation system that uses voice commands is safer than taking your eyes and hands off of the wheel while driving.
However, models as small as 3.5” are widely available. Most people with average vision find a 5" screen quite comfortable, but that opinion changes if the unit is mounted in a larger vehicle, such as a van or RV.
Dashboard layout and driving position in those vehicles cause the navigation system to be mounted farther from the driver’s eyes than in a smaller sedan. The latter are particularly popular with professional truckers.
Screen clarity depends greatly on display size, but clarity is also affected by resolution.
Several owners commented that they would have preferred a curly cable.
The most popular sizes for a navigation system’s display are 5", 6", and 7".
On the other hand, a big-screen GPS may not be the best choice in a compact or subcompact car.
A 7” display in a smaller vehicle might seem to block too much of the view through the windshield!