The Bully Dog 40417 GT Platinum Gas Downloader is a performance tuner AND a monitor all in one compact electronic device! Considering all the features contained within the GT it is amazing that installation is as easy as plugging the unit into the OBDII port and performing a simple download to the vehicles ECU. The Bully Dog 40417 GT Platinum Gas Downloader features the all new patent pending Driving Coach feature. According to outside research studies, drivers can save up to 37% on their monthly fuel bill simply by adopting better driving habits. The Driving Coach feature shows people specifically where their current losses are coming from so they can make adjustments to correct their inefficiencies. In doing so, the Coach provides audio and visual feedback to instruct a driver on how to learn better driving habits. Read more about the driving coach feature below. Note: *Not legal for sale or use in California on pollution-controlled vehicles. Cannot ship to California. THE DRIVING COACH, PATENT PENDING FEATURE:The Driving Coach is a special feature designed to help drivers drive more efficiently. It coaches drivers into better driving habits by providing real time visual and audio feedback as to how efficient a driver is driving. The driving coach also provides the driver with a "grade," on how efficiently they drove during a particular trip. This makes driving efficiently, constructive, and fun! Drivers can use the Driving Coach to coach themselves into improved driving habits. Every driver can challenge themselves to be "The perfect driver." Features: Added horsepower and torque Improved fuel economy Easy installation (20-40 minutes) Free internet updates and upgrades Monitor and display vehicle parameters (PIDs) Full Color display with multiple color themes User set daytime and nightime driving modes Display current gear on vehicles with auto trans. Vehicle specific download features Defuel based on user set safety parameters Read and Erase Diagnostic Trouble Codes Display instant fuel economy and trip fuel economy Exclusive Driving Coach feature, Patent Pending Universal Suction Cup Mount included Performance Gauge Functions:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Exhaust Gas Temperature Turbo Boost Pressure Speed Engine RPM Coolant Temperature Fuel Rail Pressyre Manifold Absolute Pressure Timing Position Injection Pulse Width Throttle Position Air Intake Temperature Mass Air Flow Barometer Battery Voltage Engine Oil Temperature Injection Control Pressure Transmission Temperature Engine Load Real Time Fuel Economy Application Guide Not available for sale in the state of California Click here to read Emissions Notice.