Is it possible and if so what is the procedure to introduce a 'valet' mode into the PCM with a seperate switch for turning it on. ie: if car goes in for a service, tyres or detail etc... flick switch hidden under dash tells VCM to limit the car say to 4000 rpm and 60kph (40mph) so it doesn't get thrashed by said people.
I believe that some of the European manufacturers have this as standard and I know of one tuner in OZ using another editor has been able to achieve this.
Thanks in advance.