Yes! The pre-collision system will help you avert potential accidents when you are not alert, but it is possible to do without it. Turning off the PCS does not affect your driveability. u003cbru003eu003cbru003eHowever, PCS issues can affect cruise control and other specialized vehicle features. This would not require an immediate visit to your car dealer but do not utterly neglect it. It would help if you fixed the problem as soon as possible.