RACQ de­bunks fly­ing car claim

Whitsunday Times - - MOTORING -

RACQ has urged mo­torists not to be­lieve myths sur­round­ing the use of cruise con­trol.

Emails have again ap­peared in in­boxes claim­ing cars have ‘flown through the air’ due to hy­droplan­ing while us­ing cruise con­trol.

RACQ Tech­ni­cal Re­searcher Rus­sell Man­ning said the emails had been do­ing the rounds for years, and re­as­sured mo­torists not all the in­for­ma­tion was ac­cu­rate.

“When there is a film of wa­ter be­tween the ve­hi­cle’s tyres and road, the car will hy­droplane, but this isn’t due to the driver us­ing cruise con­trol,” Mr Man­ning said.

“If there is suf­fi­cient wa­ter on the road to cause hy­droplan­ing, it is go­ing to hap­pen re­gard­less of whether cruise con­trol is en­gaged or not.

“Hy­droplan­ing won’t cause the car to ac­cel­er­ate ex­ces­sively or sud­denly, mak­ing the ve­hi­cle feel as though it’s about to take off.

“When hy­droplan­ing, it may feel like the car is fly­ing but it isn’t, and it won’t.”

How­ever, Mr Man­ning said there was truth to the email claim that cruise con­trol should not be used on wet or icy roads.

“It’s a bad idea to use it when the road is icy or slip­pery as you can lose con­trol,” Mr Man­ning said. “The bot­tom line is driv­ers need to judge the ap­pro­pri­ate­ness of us­ing cruise con­trol, as it will de­pend on the con­di­tions.

“Cruise con­trol should also be avoided in the city, heavy traf­fic, or where brak­ing and lower speeds are needed to ne­go­ti­ate bends.

“But when used cor­rectly, cruise con­trol can have fuel con­sump­tion ben­e­fits by re­duc­ing the sud­den throt­tle move­ments that waste fuel.”

This ar­ti­cle was sourced from ww.racq.com.au.

MYTH­BUSTERS: The RACQ are out to de­bunk the myths about the ef­fects of us­ing cruise con­trol.

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