The contact owns a 2018 Nissan Sentra. The contact stated while the vehicle was parked, the push to start button and brake pedal was depressed but the engine failed to start. The contact also stated that the RPM's would go to 5 when she depressed the accelerator pedal and the vehicle had a burning smell when driving. The contact stated the vehicle was previously serviced under NHTSA Campaign Number: 21V135000 (EXTERIOR LIGHTING) on June 11, 2021, at the dealer. The manufacturer was not made aware of the failure. The failure mileage was 19,127.