Both manufacturers were forced to retire cars involved in the battle for victory at last weekend’s Rally Sweden after suffering failures with the control hybrid unit.
Under the current FIA regulations surrounding the new hybrid component, drivers and teams are unable to continue if warning lights appear, or if there is an absence of active lights on a hybrid unit, even if the car can still operate using its internal combustion engine.
In this situation Rally1 cars are effectively put into quarantine with teams unable to touch them as a safety precaution until given an all-clear by hybrid unit suppliers Compact Dynamics and the FIA.
Hyundai’s Ott Tanak and Toyota’s Elfyn Evans were the first drivers to fall foul of the rules.
A red light appeared on Tanak’s hybrid unit while sitting second only 1.1s behind then rally leader Evans on stage 5, leaving the Estonian angry he had to retire despite his car being still able to run. The 2019 world champion would later label the…
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