What Causes the Lexus Trunk to Not Open?

3 Answers
BrookeLynn
07/23/25 11:48pm
Lexus trunk may not open due to a damaged linkage rod or a dirty/rusted lock cylinder. The reasons and suggestions for a damaged Lexus trunk linkage rod are as follows: Reasons for a damaged Lexus trunk linkage rod: Frequently using the key to open the trunk can damage the linkage rod, while consistently using the remote control to open the trunk lid can cause the lock cylinder to become dirty or rusted. Suggestions for a trunk that won't open: If you frequently use the key to open the trunk lid and it's not working, the linkage rod may be disconnected, requiring a visit to a repair shop. If you've been using the remote control to open the trunk lid and it's not working, the lock cylinder may be dirty or rusted; spraying rust remover into the lock cylinder a few times may help. Additionally, a disconnected trunk wiring or other trunk-related issues can cause the trunk not to open. Generally, trunk opening issues are related to the linkage rod or lock cylinder.
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DiJason
08/10/25 7:37pm
There are quite a few reasons why a Lexus trunk won't open. I encountered a similar situation last time and found that the remote key's battery was dead. Nowadays, cars use smart keys, so if the button doesn't respond, you should consider whether the key battery needs replacement. It could also be an issue with the trunk's electronic lock or sensor, such as a short circuit caused by rainwater. The trunk lock mechanism might be stuck, especially in older cars with accumulated dust, where worn parts make the switch less flexible. Software glitches can also occur, like when the system isn't properly initialized—sometimes restarting the infotainment system can fix this. The simplest method is to first try the manual lock hole or use a spare key. If that doesn’t work, check the fuses and wiring connections. Long-term neglect of maintenance increases these risks, so it's advisable to regularly lubricate the lock cylinder, keep the key dry, and avoid sudden troubles.
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VanPiper
08/10/25 7:39pm
As a seasoned driver with years of experience, I find that trunk opening issues are not uncommon in Lexus vehicles. Common culprits include battery problems, such as a dead remote key fob or signal interruption, or poor contact with the key fob. It could also be a stuck lock mechanism—I once resolved it by gently tapping the trunk lid or waiting a moment before trying again. Electrical issues like a blown fuse or aging wiring can also cause malfunctions. Don’t overlook the trunk sensor; obstructions or dirt can lead to false readings. For prevention, I make it a habit to check the key fob battery weekly, clean the lock with a soft cloth, and dry it promptly after rain. These small steps can save you significant repair costs and avoid unexpected embarrassments.
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