Key stuck in 2009 chevy hhr ignition help please

Question edited for clarity.
Question moved to model category.

Not a good idea. The entertainment system is driven and monitored by the BCM, so you lose other functions which confuses the computer network.

https://www.google.com/search?q=2009+Chevy+HHR+factory+amp+bypass

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Do you mean the engine won't crank or that it cranks but won't fire up?
Car won start Ricks Free Auto Repair Advice

possibly shifter interlock solenoid stuck.

To eliminate the battery have a load test done to check the cell conditions. I suspect that it may be an immobiliser problem from the key issue.

FYI this is now a free dealer fix--Service Bulletin--not a recall. chevy sent letters reregarding issue. Mine was the lock cylinder housing was faulty, the piece that holds the springs to the pieces in for the key shape poped out. temp fix is you can unplug wiring harness under steer wheel to disable the car and remote will still lock door and alarm still works. Of course mine went out on a saturday afternoon. you can remove the lock cylinder yourself and take to locksmith, they can fix the cylinder probably for under 10 bucks. i luv it a 16000 car stuck because 1/8" by 1/2" piece of metal comes loose.

FIRST make sure that your shifter is all the way up into the PARK position. Then make sure that the button on the shifter is not sticking. This button operates a switch that energizes a solenoid to keep the key from returning all the way back to the OFF position. If the button is stuck in, sometimes it can be released by tapping on the shift lever. This is a VERY COMMON problem.

Below is a link to a video that explains what I am talking about here.

HHR shifter video

The chipset also needs to be replaced . Actually the ignition kit comes as a set , which is to be replaced . Try oiling the ignition port , if uve got luck , ull be fine with it . else replace the ignition KIT , which includes , the cylinder, keys , chipset , and a few wiring systems aswell

pull the negative battery cable off.

There is a TSB on this issues if your having ignition lock issues.
Service Information
2009 Chevrolet Cobalt | Cobalt, G5 (VIN A) Service Manual | View All Bulletins | Document ID: 2325129
#09-02-35-005: Ignition Key Difficult to Remove, Ignition Key Binds or Sticks in Cylinder (Replace Ignition Cylinder) - (Aug 10, 2009)

Subject: Ignition Key Difficult to Remove, Ignition Key Binds or Sticks in Cylinder (Replace Ignition Cylinder)

Models: 2008-2009 Cadillac CTS (Built Prior to VIN Breakpoint 90163371)

2005-2009 Chevrolet Cobalt (Built Prior to April 14, 2009)

2006-2009 Chevrolet HHR (Built Prior to April 14, 2009)

2007-2009 Chevrolet Equinox (Built Prior to July 2008)

2005-2006 Pontiac Pursuit (Canada Only)

2006-2009 Pontiac Solstice (Built Prior to April 14, 2009)

2007-2009 Pontiac G5 (Built Prior to April 14, 2009), Torrent (Built Prior to July 2008)

Attention: This bulletin only applies to vehicle equipped with automatic transmission.

sound like your steering wheel lock is engaged.... just give the wheel a hard tug when your turning the key... and what did you mean by "the key isnt stuck"?