A True Track Smart system is a brand of glucose blood monitor. It requires you to apply a pin to your finger and then apply the blood to the monitor which will then tell you how much glucose is in your blood.
On a true track system, E-3 means that the test strip in the machine is expired, oxidized, used, or defective. Replace strip and try again.
As long as instructions for usage as well as care and maintenance of the product are followed. The True Track Smart System blood glucose measuring device is very accurate. You can read the directions in the online owners manual. http://www.niprodiagnostics.com/our_products/downloads/bgm_true_track/TT_OWNERS_MANUAL.pdf
The rear track of the 2008 Smart Fortwo is 4 ft. 6.5 in. (54.5 in.).
The front track of the 2008 Smart Fortwo is 4 ft. 2.5 in. (50.5 in.).
The rear track of the 2010 Smart Fortwo is 4 ft. 6.5 in. (54.5 in.).
The rear track of the 2012 Smart Fortwo is 4 ft. 6.5 in. (54.5 in.).
The front track of the 2012 Smart Fortwo is 4 ft. 2.5 in. (50.5 in.).
The front track of the 2013 Smart Fortwo is 4 ft. 2.5 in. (50.5 in.).
The rear track of the 2011 Smart Fortwo is 4 ft. 6.5 in. (54.5 in.).
The rear track of the 2013 Smart Fortwo is 4 ft. 6.5 in. (54.5 in.).
The front track of the 2011 Smart Fortwo is 4 ft. 2.5 in. (50.5 in.).
The rear track of the 2009 Smart Fortwo is 4 ft. 6.5 in. (54.5 in.).