To confirm which map is active, many tuners implement a "Gauge Hijack" where the or glow plug lamp indicates the selected map (e.g., 1000 RPM for Map 1, 2000 RPM for Map 2). Implementation Methods
Tuners repurpose these existing blocks to house distinct performance profiles: edc15 multimap
Holding the "Cancel" or "Set" buttons for several seconds. To confirm which map is active, many tuners