6gear myth in accord coupe

myth, 6 gear on accord coupe.was inform use only at higher mph. or not neccessary,or when in use at the wrong sequence ,rpm would drop.this all not true.for 6 month had been driving,; hardly using the 6gear,oniy on the freeway at 80mph. was on freeway,at 6o-65mph in 5gear without radio blasting, notice engine hitting the high note,until i shifted the 6gear.hence 5gear at 45-55mpm and 6gear at 60-infinity.in racing higher rpm in each gear at which time, computer or tran.,will alert you to shift.