The secret computer mode also has a more accurate engine temperature, as opposed to the digital gauge that uses bars to display this important information. Furthermore, owners can use the test mode to adjust their fuel economy to be more realistic.
Numerous individuals have said the Maverick’s gas mileage is optimistic, overshooting the actual figure by as much as 2 mpg. By adjusting the AFE bias, owners can get a more realistic readout and plan their refuels and road trips with greater accuracy.
So how does one access this secret mode? All you have to do is hold down the “OK” button on the steering wheel and fire up the engine at the same time. Shortly afterward, a green “ET” light should show up on the display. Some have said the doors need to be locked and the driver’s seatbelt needs to be on for this to work.