The disclosure includes implementations for providing subscription-based safety features in car sharing. A method may include subscription data describing how to modify an operation of a safety system of a vehicle based on the preferences of a driver. The driver may have reserved the vehicle for their use during a time period via a car sharing service. The safety system of the vehicle may be operable to provide a plurality of safety features. Configuration data included in the safety system may define which of the plurality of safety features are provided during the operation of the vehicle. The subscription data may describe the time period when the vehicle is reserved for the driver and a subset of the plurality of safety features for the vehicle that the driver prefers to be active during the time period. The method may include modifying the configuration data based on the subscription data.