What are the two methods of locomotive starting?

[McEmmanuel]

The two methods of locomotive starting are constant power starting and constant acceleration starting. Below are some precautions for vehicle starting: 1. Observe the surrounding environment: Carefully inspect the conditions around the vehicle, paying attention to whether there are obstacles under the car or around the body to avoid unexpected incidents. 2. Cold engine requires preheating: A cold engine start requires preheating the engine. The preheating time depends on the temperature, generally until the idle speed returns to normal before starting. 3. Fasten seat belts: Always remember to fasten seat belts and check if the position of the driver's seat and rearview mirrors is appropriate. Adjust if necessary.