hi Elsie, just hold the first button on the left hand side down for five seconds and that will deactivate slow down.. take care.
Known as a Comet in the UK ..
Regards
Rob
Hi AGAIN HAVE TESTED the SPEED CONTROL potentimeter & WIG WAG FOR THERE CORRECT RESISTANCE IN OHM'S .ANOTHER POSSIBILITY IS THE LITTLE COMPUTER ( CONTROL BOX )IS FAULTY good luck get you're batteries LOAD TESTED..ERROR CODE 8 IS ALSO A MOTOR VOLTAGE ERROR cheers