Hyundai Azera: Active ECO operation
Active ECO helps improve fuel efficiency by controlling certain engine and transaxle system operating parameters. Fuel efficiency depends on the driver's driving habit and road condition.
Limitation of Active ECO operation:Telematics Unit (TMU) Components and Components Location
Component
...
On-board Refueling Vapor Recovery (ORVR) valve Repair procedures
Removal
1.
Turn the ignition switch OFF, and then remove battery (-) cable.
2.
Remove the fuel tank.
(Refer to Fuel System - "Fuel Tank")
3.
Disconnect the vapor hose (A).
4.
Remove ...
Additional safety precautions
All occupants should sit upright, fully back in their seats with their seat
belts on and their feet on the floor.
Passengers should not move out of or change seats while the vehicle is moving.
...