Most tuners use the cruise control stalk. By holding the "Set" or "Cancel" button while the ignition is on, the tachometer (RPM needle) will move to 1,000, 2,000, or 3,000 RPM to indicate which map is active.
– Ideal for valet parking, inspections, or daily commuting. med91 multimap
Med91 MultiMap appears to be a medical mapping technology developed by Med91, a company that provides medical software solutions. Here's a brief overview: Most tuners use the cruise control stalk
– Maximum power, optimized for 99+ octane, often including "Pops and Bangs" or Launch Control How Do You Switch Maps? optimized for 99+ octane