How System Failures Prompted IndyCar's Push to Pass Restart Update

The Software Failure Behind the Rule Review

Technical reliability issues within race control and engine management systems can directly reshape sporting regulations. In May 2026, IndyCar introduced a procedural change permitting the use of Push to Pass on race restarts across road and street courses. According to IndyCar President J. Douglas Boles, this decision stemmed from a broader review of the system's operational rules after a software failure compromised Push to Pass controls during the race at Long Beach.

When electronic governing systems malfunction, race organizers often re-evaluate whether manual administrative lockouts or technical restrictions remain practical during chaotic race phases. The Long Beach incident prompted officials to reconsider whether the boost system should be withheld during restarts, ultimately leading to explicit permission for drivers to engage the extra turbocharger boost rather than relying on previous exclusions.

Restart Protocols and Timing Parameters

Under the revised procedure introduced for the NTT IndyCar Series and Indy NXT at the Indianapolis Motor Speedway road course, clarity around system availability became critical. Fans often wonder when can IndyCar drivers use push to pass on restarts without violating sporting limits. The answer lies at the alternate start-finish line: drivers may deploy the system once the green flag is shown and their car has crossed that designated line, distinguishing the restart phase from the initial race start.

Crucially, the rule change does not alter the physical restart line that forbids overtaking prior to crossing it. Access to the extra 60 horsepower delivered by increased turbocharger boost cannot override passing restrictions. Furthermore, overall time banks and maximum single-push durations remain strictly enforced, ensuring that system availability does not compensate for spent allowances.

Official reference: official announcement.