The Lucid Air's front trunk—or frunk—provides valuable storage space where an engine would be in a conventional car. When this electrically operated compartment refuses to close or latch properly, you're left with an unsecured storage area and a persistent vehicle warning. Here's how to diagnose and resolve frunk closing issues on your Lucid Air.
Symptoms of Frunk Closing Problems
- Frunk lid not latching when closed
- "Frunk Open" warning staying on after closing
- Frunk bouncing back up after pressing down
- Power close feature not engaging
- Latch motor making clicking sounds
- Frunk closing partway then stopping
- Misalignment visible when lid is closed
- Secondary latch not engaging after primary
Understanding the Frunk System
The Lucid Air frunk uses an electrically assisted closing mechanism. When you press down on the lid, the power system completes the closing action and engages the latch. Sensors confirm the latch is secured. This powered system adds convenience but introduces additional components that can malfunction.
Common Causes of Closing Issues
Latch Obstruction
Items inside the frunk, the cargo organizer, or debris in the latch area can prevent proper engagement.
Solutions:
- Ensure nothing is preventing the lid from fully closing
- Check that cargo isn't pushing up on the lid
- Inspect latch striker area for debris
- Remove any items that might interfere with closure
Latch Misalignment
The latch and striker must align precisely for proper engagement. Impacts, settling, or adjustment drift can cause misalignment.
Solutions:
- Visually check striker alignment with latch
- Service can adjust striker position if needed
- Check hinge alignment for obvious issues
Latch Motor Failure
The electric motor that pulls the latch closed can fail or weaken. You may hear the motor clicking but see no movement, or the motor may be completely silent.
Solution: Latch motor replacement at service center.
Latch Sensor Malfunction
Sensors confirm the latch is secured. Faulty sensors may not recognize that the latch has engaged, keeping warnings active even when properly closed, or may prevent the power close from activating.
Solution: Sensor diagnosis and replacement at service.
Weather Seal Interference
Weather stripping around the frunk opening can shift, bunch up, or degrade, creating resistance that prevents full closure.
Solutions:
- Inspect weather seal for damage or displacement
- Reposition seal if bunched up
- Replace seal if damaged
Control Module Issues
The body control module managing frunk operation can have software glitches or hardware failures.
Solutions:
- Perform vehicle reboot
- Check for software updates
- Module replacement if hardware failure
Low Voltage Battery
The 12V auxiliary battery powers many convenience features. Low voltage can cause erratic operation of powered systems including the frunk.
Solution: Check 12V battery health; replace if weak.
Troubleshooting Steps
- Check for obstructions: Remove all cargo and inspect for anything blocking closure
- Inspect the latch area: Look for debris, ice, or damage in the latch and striker
- Check weather sealing: Ensure rubber seals aren't preventing closure
- Try manual pressure: Apply firm, even pressure to the lid while closing
- Listen for motor: Note if the latch motor activates when attempting to close
- Reboot the vehicle: Power cycle may clear software glitches
- Schedule service: Persistent issues need professional attention
Temporary Closure
If you need to secure the frunk temporarily before service:
- Remove all cargo to reduce interference
- Apply firm downward pressure while closing
- If latch engages manually but power assist doesn't work, it may stay closed for driving
- Don't drive at high speeds with an unsecured frunk—it can pop open
Repair Costs
- Latch adjustment: $100-$200
- Weather seal replacement: $150-$350
- Latch sensor replacement: $200-$500
- Latch motor replacement: $400-$800
- Control module service: $500-$1,200
- 12V battery replacement: $200-$400
Frunk components are covered under Lucid's 4-year/50,000-mile comprehensive warranty. Closure issues during this period should be repaired at no cost.