my Tesla Model 3 has a check battery message, what should I do

Solution

1. Preparation

• Ensure the vehicle is parked safely and on a level surface.
• Disconnect the vehicle from any charging source.
• Gather tools: socket set, multimeter, and safety gloves.

2. Inspect Battery Terminals

• Sub-steps:
  1. Open the rear trunk to access the battery compartment.
  2. Remove the plastic cover over the battery terminals.
  3. Check for loose terminal connections; tighten as necessary.
  4. Inspect terminals for corrosion; clean with a wire brush if present.

3. Update Battery Management Software

• Sub-steps:
  1. Access the vehicle’s settings through the touchscreen.
  2. Navigate to the software update section.
  3. If an update is available, connect the vehicle to Wi-Fi and initiate the update.
  4. Follow prompts to complete the update process.

4. Battery Health Check

• Sub-steps:
  1. Access the diagnostics menu from the touchscreen.
  2. Select the battery health option to view the state of charge and health metrics.
  3. Note any warnings or alerts that may indicate battery issues.

5. Professional Evaluation

• If issues persist after the above steps, contact Tesla service for a comprehensive battery evaluation.
• Schedule a service appointment for potential battery replacement if necessary.