how to fix the remote start feature in Tesla Model 3 Original (2017-2023)

Tesla Model 3 Highland (2024-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

549 words

Problem Statement

Learn how to troubleshoot and fix the remote start feature in Tesla Model 3 (2017-2023). Step-by-step guide with diagnostic procedures and solutions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in a safe location before performing any updates or changes.

Symptoms

•Remote start option unavailable in the Tesla app
•Unable to start the vehicle using the key fob
•Notifications indicating remote start failure
•Vehicle does not respond to remote commands
•No response from the vehicle's climate control system when attempting to activate remotely

Diagnostic Steps

1
Verify that the Tesla app is updated to the latest version.
2
Check the vehicle's connectivity status (Wi-Fi and cellular).
3
Confirm that the remote start feature is enabled in the vehicle's settings.
4
Inspect the key fob battery status and replace if necessary.
5
Reboot the vehicle’s touchscreen by holding down both scroll wheels on the steering wheel.
6
Check for any software updates available for the vehicle.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•None necessary for this troubleshooting process.

Parts Required

•CR2032 battery

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Diagnostic Steps

1
Verify that the Tesla app is updated to the latest version.
2
Check the vehicle's connectivity status (Wi-Fi and cellular).
3
Confirm that the remote start feature is enabled in the vehicle's settings.
4
Inspect the key fob battery status and replace if necessary.
5
Reboot the vehicle’s touchscreen by holding down both scroll wheels on the steering wheel.
6
Check for any software updates available for the vehicle.

Solution

1. Preparation

Ensure the vehicle is in a safe location and is parked.
Have the Tesla app ready on your smartphone.
Gather necessary tools: none required for this process.

2. Update Tesla App

Open your app store (Google Play Store or Apple App Store).
Search for “Tesla” and check for updates.
Install any available updates.

3. Check Connectivity

On the vehicle's touchscreen, navigate to “Controls” > “Software.”
Ensure that the vehicle is connected to Wi-Fi or has a strong cellular signal.
If not connected, select a Wi-Fi network or ensure that cellular data is enabled.

4. Enable Remote Start Feature

On the touchscreen, go to “Controls” > “Safety & Security.”
Locate the “Remote Start” toggle and ensure it is switched to the “On” position.

5. Key Fob Battery Replacement

If the key fob is not responding, replace its battery:
- Use a small flathead screwdriver to gently pry open the key fob.
- Replace the old battery (typically a CR2032) with a new one, ensuring correct polarity.
- Reassemble the key fob.

6. Reboot Vehicle Touchscreen

With the vehicle in "Park," press and hold both scroll wheels on the steering wheel until the screen turns black and then the Tesla logo appears.
Wait for the reboot to complete.

7. Check for Software Updates

After rebooting, visit “Controls” > “Software” to check for any available updates.
If an update is available, follow prompts to download and install.