However, in order to
turbo boost or be in the zone; players must
fill turbo meter
units singularly or all four
units respectively by drifting, driving on two wheels, driving backwards, aerial tricks, drafting cars directly ahead, hitting enemies with weaponry or side bashing cars, although drifting, driving on two wheels and driving backwards accurately through a blue speed strip offers a bonus towards
filling a
turbo meter
unit, alongside collecting
turbo boost cans.