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2015 Volkswagen GTI: Clicking, beeping, and trying to stay cool [w/video]

My first car didn't have air conditioning. Well, that's not entirely true. The car had A/C, it just didn't work. Nevertheless, I survived summer after summer of sweating behind the wheel – par for the course in a 15-year-old Mitsubishi with 235,000 miles on the odometer. But it's another thing entirely when that same experience happens in a 2015 Volkswagen GTI after just 7,000 miles of use. That's how Autoblog kicked off summer with the long-term GTI: sweating in plaid seats. The car went to Suburban Volkswagen in Troy, MI, where the technicians told me the air-con just needed a recharge (despite asking them to inspect it further). They recharged it, the air blew cold, and 48 hours later, the A/C stopped working again. (Surprise!) The problem was a leak in the compressor/condenser line, so a new one was installed, the system was charged, and now it's fixed. For real this time. Unfortunately, that second-coming happened during a road trip with editor-in-chief Mike Austin at the helm. His logbook comments are, as you'd expect, appropriately salty. "Everybody loves the GTI, right? Not quite. I drove to Toronto for a weekend. On the way home, the A/C quit working. This wasn't too much of a problem until we hit the border control line to re-enter the United States. I always pick the slow line, somehow. Thusly baked in the heat, with outside temperatures above 80, the GTI didn't cool back down for the rest of the trip. Then I learned we already fixed the A/C once." "Of course, any car on that day with a surprise A/C failure would earn my ire," Austin notes. "It just seems a little more irritating on a new car. Otherwise, yeah, this is a great car." A great car, indeed. Everyone loves spending time with the GTI. It's got plenty of power, it's quiet, it's comfortable, and it eats up highway miles. We've got just over 10,000 miles on the odometer as of this writing, and as summer carries on, many editors have requested extended periods of seat time in the GTI for weekend getaways and longer road trips. But it's still not perfect. Following the A/C fiasco, there's another, more curious problem plaguing the GTI. Every time the car starts, a weird, varied-tempo, loud clicking is heard from the dash. We think it's coming from the direction of the glovebox, and it's not the same click patten every time. Sometimes it's one or two knocks, sometimes it's several. See what I mean in the video below. Weird, right? Another trip to Suburban Volkswagen offered no help.

Volkswagen throws a Polo-palooza with four new or upgraded models

Volkswagen unveiled a parade of new and upgraded Polo models at the 2014 Geneva Motor Show, including the Polo TSI BlueMotion, Polo TDI BlueMotion, Polo BlueGT and CrossPolo (pictured above). While they will likely never make an appearance this side of the pond, it is fun to see what European subcompact drivers will be driving later this year.
The new BlueMotion models represent the most efficient petrol and diesel options in their class, according to VW. The BlueMotion TDI offers just 73 horsepower from its diesel engine but gives the equivalent of 76 miles per gallon (US) in the EU test. The BlueMotion TSI brings a little more power with its 88-hp petrol engine and has a combined rating of 57 mpg (US) in the EU cycle.
The Polo BlueGT provides a balance of performance and economy, and for the 2014 model, it gains a 9-horsepower boost to its 1.4-liter turbocharged to give drivers 147 hp at the press of the accelerator. This year's car also has an optional Sport Select suspension with electronically controlled dampers to improve handling a bit. It's still fitted with active cylinder management to use as little gas as possible when cruising.

How VW's hyper-efficient XL1 will influence the next Golf

In 2007, the European Union mandated fleet average CO2 emissions of 158.7 g/km. For 2015, that figure will drop to 130 g/km, and the target for 2020 is an ambitions 95 g/km. Thanks to some German politicking, that target will be phased in from 2020 to 2024, but it will still apply to 80 percent of passenger cars in that first year. In US miles per gallon, that's the equivalent of going from about 35 mpg to 42 mpg to 57 mpg. The current Volkswagen Golf is rated from 85 g/km of CO2 to 190 g/km depending on model - and zero for the e-Golf, so for the next-generation MkVIII hatch due in 2019, to meet the goal, Volkswagen engineers will need to introduce a bunch of new tricks. According to a report in Autocar, VW be mining its hyper-efficient XL1 for some of them.
Predictions for the next Golf include a variable-compression engine, an electric flywheel and an electric turbo, along with taking greater advantage of coasting. Volkswagen could be getting help from Audi with the electric turbo and variable-compression engine and electric turbo, with Audi already having shown off the former and brand technical boss Ulrich Hackenberg confirming the VW Group is working on the latter. It's possible the flywheel system could also have the mark of The Four Rings: Autocar mentions a British system that Volvo is testing, but the R18 e-tron Quattro racer has been using one for years.
The need for such features is because the company won't be able to net enough future gains from just aerodynamic improvements and advanced materials. As price will be a factor (the regulations are expected to "add hundreds of euros to the cost of building a car"), adding much more aluminum or carbon fiber is an unlikely option. We're told the next generation won't be longer or wider than the current car, and being Europe's most popular model, VW doesn't want to make a big bet on futuristic aero, but the report says the MkVIII will "likely" have "the most aerodynamic treatment yet seen on a production vehicle," the area where lessons learned from the XL1 will truly be seen.