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Garmin Nuvi 1490T review:

Garmin Nuvi 1490T

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With EcoRoute active, a new Less Fuel route preference opens up over in the navigation settings menu along with the standard Faster Time, Shorter Distance, and Off Road options. With this option checked, the Nuvi will attempt to route the most fuel-efficient path for your vehicle's profile and, at the end of each trip, display a report listing distance traveled, average fuel economy, fuel cost, carbon footprint, and average EcoChallenge score for the trip. The Nuvi also stores this data under the Mileage Report icon in the EcoRoute menu and as text files for retrieval later using a USB connected PC.

However, the EcoRoute software is merely making educated guesses at the vehicle's fuel economy using the information gathered from the GPS antenna (speed, elevation, and acceleration and deceleration rates) and the fuel economy estimates input during setup. For a more accurate snapshot of fuel economy, you have two options. The first is the "At the Pump" function, a low-tech solution that is little more than a glorified calculator. After stopping for fuel, you input the fuel price (per gallon), the amount of fuel used, and the distance traveled since the last fill-up (conveniently automatically filled by the EcoRoute software) to calculate the actual miles per gallon burned. But that's a simple function that can be accomplished with a basic understanding of division and is calculated only after the fuel has been used. For the best balance of up-to-the-minute accuracy, you can purchase and install Garmin's EcoRoute HD module in your vehicle. This module connects to the vehicle's onboard diagnostics port and wirelessly transmits engine and emissions data to the Nuvi over Bluetooth. Armed with this information, the ecoRoute software can most accurately estimate the efficiency of the vehicle in motion. The Nuvi also gains diagnostics capabilities through this connection, so it can view and clear trouble codes if the car's check engine light illuminates.

Garmin Nuvis with model numbers ending in "T" feature traffic data reception. In the case of the Nuvi 1490T, you get free lifetime FM-RDS traffic data. This data is displayed in a traffic menu as a list of incidents and on the map screen as icons and color overlays on major highways. A green highway should be all clear and a red street is probably stop-and-go, with yellow roads somewhere in between. Due to the somewhat limited resolution of FM traffic, we had a few incidents where we followed the Nuvi onto a green highway only to be met with a jam. Also, there's simply no data available for surface roads. However, most of the time the FM traffic data could be trusted.

Traffic data is used during trip routing and to deliver more accurate estimated times of arrival (or delays). Even with no destination chosen, the Nuvi will occasionally verbally warn the driver of impending delays on the current road.

Nuvi units that feature traffic receivers, such as our 1490T, carry a slightly higher MSRP than units without traffic, but don't think that Garmin is footing the monthly traffic data subscription out of the kindness of its corporate heart. Rather, the traffic subscription is ad-supported, which means that you will be subjected to occasional text ad in the map screen's top bar or in menu screens' bottom bar. Clicking on any of these ads will bring up a listing of the nearest locations for the advertiser, for example a restaurant or hotel. We found the ads to be unobtrusive, but some may find them annoying.

The antenna for the traffic system is embedded into the 12-volt power cable, so you won't be able to receive traffic updates without first plugging in.

The Nuvi 1490T is equipped with a Bluetooth wireless connection and supports the hands-free (HFP) and phonebook access (PBAP) profiles, as well as a data connection when paired with the previously mentioned ecoRoute HD module.

Pairing with a Bluetooth-enabled phone can be initiated from the handset or from the Nuvi's Bluetooth menu. After inputting a four-digit PIN, the Nuvi will be recognized by your phone as a speakerphone. In the main menu, a new Phone icon appears along the bottom bar, opening up options for calling points of interest, history, and home, as well as a manual-dialing keypad. An option for voice dial opens a connection for using your phone's voice command system, if supported, to initiate calls.

With handsets that support PBAP, the Nuvi can also request and download your contacts to be accessed from a phone book icon that appears in the phone menu once the download is complete.

Incoming calls are recognized by the Nuvi and displayed in a pop-up window along with caller ID information and options to accept or ignore the call. Call quality is passable; the Nuvi's speaker is loud and clear; but the microphone picks up almost as much road noise as spoken words, so be sure to wind those windows up and turn down the stereo before accepting or making any calls.

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