An engine block heater is unnecessary in Chicago.
Install remote start, preset the temp / blower to high when you park. Start it 20 mins before leaving. Saves a ton of time scraping the ice off which you will value at 6 am in the dark when it's 20 degrees and a 30 mph wind.
Drive the way...
This June I bought a new 2013 Jeep Grand Cherokee Laredo, drove it for 6 weeks / 3k miles and in August traded it in for a new 2013 4Runner SR5.
We have owned multiple Jeeps, all <2006 TJ's and a 97 Cherokee Sport. The new Jeep is a great CAR. It's silent inside and the automatic transfer to 4...