Guidance summary
Avoid over-revving and use cruise only in suitable conditions
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Avoid excessive engine speed: it increases wear and fuel use. Cruise control can help economy by maintaining a steady speed where the road and traffic allow a sustained safe pace. Stay alert, obey the handbook and resume direct control when conditions change. It is not a substitute for observation or a safe following gap.
Source: Avoid over-revving and use cruise only in suitable conditions
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