Highly - durable and directly compatible, Stant's OE replacement radiator caps secure radiator's fluid and maintain accurate amount of pressure for effective engine cooling performance. (carparts.com)
The start - stop system is a highly effective engine management program that can help lower fuel consumption * as well as CO2 emissions by shutting off the engine while waiting at a traffic signal or during certain stop - and - go driving. (audiusa.com)
This is made possible by intelligent interaction within the highly effective engine management system, with 16 hydraulically compensating elements and a complex oil supply system in the cylinder head. (ausmotive.com)