It sounds like your car’s issue might be related to the gear shifter position or a safety feature preventing the engine from starting. Here’s a step-by-step guide to troubleshoot and possibly fix the issue: 1. Check the Gear Position: (1) Ensure the car is in Park (P) or Neutral (N) before attempting to start it. (2) If it’s not fully in Park or Neutral, the car's safety system will prevent it from starting. 2. Recheck the Shifter Mechanism: (1) Since you pressed the small button near the gear shifter to manually unlock it, the linkage may not have returned to its proper position. (2) Wiggle the shifter slightly while trying to start the car (in Park or Neutral). 3. Inspect the Brake Pedal: (1) Make sure you're pressing the brake pedal firmly when trying to start the car. (2) If the brake light switch is faulty, the car may not detect that the brake is being applied, which can prevent it from starting. 4. Test the Battery: (1) Even though the lights and radio are working, the battery may not have enough...

The F20 error code on a washing machine usually indicates a water inlet problem, meaning the washer is not detecting enough water during the cycle. Here's a step-by-step guide to troubleshoot and resolve the issue: 1. Check the Water Supply: (1) Ensure both the hot and cold water valves are fully open. (2) Verify the water supply to your home is functioning properly. 2. Inspect the Inlet Hoses: (1) Check the hoses for any kinks, blockages, or leaks. (2) Remove the hoses from the back of the washer and clean the screens inside the inlet valves. Dirt or debris can clog them and restrict water flow. 3. Examine the Water Pressure: (1) Low water pressure can cause the F20 error. The minimum pressure required is usually 20 PSI. If your water pressure is low, consult a plumber. 4. Test the Water Inlet Valve: (1) If the water supply and hoses are fine, the water inlet valve may be defective. Use a multimeter to check for continuity. If it’s faulty, it will need to be replaced. 5. Inspect the Flowmeter: (1) The...