What To Do If Your 2006 Pontiac Grand Prix Trunk Won’t Open

You may have accidentally enabled “valet mode” if your 2006 Pontiac Grand Prix trunk won’t open.
Written by Talullah Blanco
Reviewed by Claire Beaney
You may have enabled “valet mode” which disables trunk access if your 2006 Pontiac Grand Prix trunk won’t open. Just switch the trunk main switch off to deactivate the valet mode. 
While the valet mode is the most common reason your 2006 Pontiac Grand Prix trunk won’t open, it’s not the only reason. Luckily,
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What to do if your 2006 Pontiac Grand Prix trunk won’t open

If you can’t open your 2006 Pontiac Grand Prix trunk with the key fob or trunk latch, you’ll want to do some troubleshooting before you head to a mechanic or dealership.

Most common cause: valet mode accidentally activated

Your Grand Prix trunk problem may not be a problem at all. It could actually be your Pontiac’s valet mode operating exactly as it should be!
The 2006 Pontiac Grand Prix comes with a security feature that disables trunk access while you aren’t driving your vehicle. You can use this system when your car is being driven by someone else (like a valet), drop it off for detailing, or perhaps when you leave it in long-term parking. 
It’s surprisingly easy to accidentally activate your Grand Prix’s valet mode by jamming too many items in your glove compartment where the trunk main switch is located. Thankfully, it’s just as easy to turn it off as it is on.
Check your glove compartment to see if the trunk main switch is off and if the valet mode has been activated. The main trunk switch is a literal switch in the upper left corner of the glove box and has a symbol of a car with a popped trunk and the word “MAIN” above it. If the switch is in the off position, the valet mode is on and has disabled the trunk release button on the driver’s side door, the trunk latch, and the key fob. 
Just set the switch to the on position and you should be able to open your Pontiac’s trunk with your key fob or the outer latch handle after turning off valet mode. But if that’s not the case and you still can’t open your trunk, you’ll need to do some more troubleshooting.

Other possible causes

When it comes to the other possible reasons your Grand Prix’s trunk isn’t opening, you could be dealing with anything from electrical malfunctions to faulty hardware. Here are some causes to look out for:
  • Broken or dead key fob: If you can open your trunk with the driver’s side door switch, your key fob could be either broken or dead. 
  • Bad door switch: Alternatively, if your key fob still opens your trunk, you could be dealing with a faulty door switch.
  • Electrical malfunction: A blown fuse, failing actuator, or faulty wiring harness could be the culprit.  
  • Faulty latch: Can you hear the actuator operating but your trunk won’t unlock? The trunk latch assembly might be broken.
You should take your Pontiac Grand Prix to a mechanic to have the source of the problem diagnosed before attempting any repairs. They’ll inspect any components that could be causing your trunk problems including the door locks, fuse box, electrical system, trunk latch assembly, and more.

How to manually open a 2006 Pontiac Grand Prix trunk

If you need to get into your trunk immediately or a mechanic visit isn’t in the near future, we’ve got you covered. Your 2006 Pontiac Grand Prix comes equipped with a trunk release handle that you can use to open your trunk from the inside. And all you need is your car key to get started!
  • Go to the backseat on the driver’s side
  • Locate the trunk pass-through in the center of the rear seats
  • Insert your key into the trunk pass-through cover opening and unlock it
  • Reach through the opening into the trunk and pull the trunk release handle on the left side
Unless you don’t mind crawling into the back seat every time you want to access your trunk, this is a band-aid solution to your trunk opening problems. 

Cost of trunk repair for 2006 Pontiac Grand Prix

The cost of your 2006 Grand Prix trunk repair will vary depending on the reason your trunk won’t open and whether you do the job yourself. However, you can expect to drop $95 on a trunk lock inspection alone.
It could cost you between $263 and $284 for total part and labor costs to replace your trunk lock actuator. You’re looking at similar costs for a trunk release cable replacement and driver’s side door switch replacement. 
However, if you’re trunk won’t open due to body damage and you need to replace the trunk lid that could cost you over $400 for parts. You’ll need to tack on an hourly labor rate of about $95 too if you have your truck lid replaced at a repair shop. 
You can lower your 2006 Pontiac Grand Prix trunk repair costs by doing the repairs yourself and cutting labor fees. You’ll just have to pay for the parts and a few extra hours. 

How to save on Pontiac Grand Prix insurance

If your trunk still won’t open and you’ve been stuck with a whopper of a trunk repair bill on top of your already costly
Pontiac Grand Prix insurance rates
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