Can I sync the same vehicle with multiple My Renault accounts?

No, it is not possible to sync the same vehicle to multiple My Renault ¹ accounts.

¹  ^{To use My Renault app you need a smartphone with compatible iOS or Android operating system.  Download the free My Renault app and create an account.  Synchronise or pair My Renault to your vehicle.  Synchronising or pairing should only be done when the car is parked safely.  Services may be subject to mobile network coverage and additional charges.  Users should follow road safety regulations when using the services and always be in control of the vehicle. For further information, visit My Renault.}