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Key won't turn in 2012 GMC Terrain. Steering wheel is locked
Steering wheel is locked key is the same one I have had since I bought the car 2 years ago … read more
Mike V.
Mike V.
technician
Subaru and Nissan factory training.
27,540 satisfied customers
Exhaust valve on #6 will not hold compression 62000 miles on
Exhaust valve on #6 will not hold compression 62000 miles on car … read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
I have a 2012 Terrain SLE. Key fob got washed in washing
I have a 2012 Terrain SLE. Key fob got washed in washing machine and dried in dryer. Replaced battery, but still doesn't work. Any suggestions on what to do next? … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,831 satisfied customers
My 2011 GMC wouldn't shift out reverse. The shifter would
My 2011 GMC wouldn't shift out reverse. The shifter would move. So I cut off the engine and now I can't crank the terrain or get it to go back to park … read more
kalamykid
kalamykid
Pactor automotive
Vocational, Technical or Trade Scho
5,396 satisfied customers
Wife's terrain is in park, the key won't come out of the
Wife's terrain is in park, the key won't come out of the ignition, the engine will not crank, the transmission will not move out of park, no dash lights or accessories will come on and the wiper blade… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
It appears both my keys will not start the car. I think the
tried replacing the battery in fobs no just need to know how to bypass the security system to get my keys to work… read more
Eric
Eric
Retired
N/A
33,571 satisfied customers
My key fob won't start my gmc terrain, My daughter opened
My daughter opened the car door and triggered the alarm.the theft lock light comes on and off … read more
GM Bob
GM Bob
Automobile Technician
High School or GED
1,079 satisfied customers
Replace a trans in 2011 GMC terrain was told by you guys
Replace a trans in 2011 GMC terrain was told by you guys that a 2012 trans mh7...Would.fit and be all.good...Was told.that imhad to.reprogram the tran.computer....Also.told they need to.flash the.comp… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
What is the model/year of your GMC? I have a 2012 GMC
I have a 2012 GMC Terrain and the steering wheel is blocked … read more
Chad Farhat
Chad Farhat
Owner
Associate Degree
5,839 satisfied customers
If i remove the air trottle control valve from my 2012
If i remove the air trottle control valve from my 2012 terrain 4 cyl. for cleaning do i have to have the computer reset ???… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
2012 gmc terrain and 2014 silverado. both vehicles are
2012 gmc terrain and 2014 silverado. both vehicles are getting broken into to with the alarm on and doors locked, I would like to know where the receiver is to the door locks and I want to cut the wir… read more
sprinkles08
sprinkles08
Technician
High School or GED
18,052 satisfied customers
Key got wet, car wont start, Not corroded, 2016 terrain,
Dried key, temoved battery and dried that area. The auto start works, but putting the key in the ignition and turning to the run position turs the car off. Is there any way to override the electronic communications between key and vehicle? … read more
cloe0626
cloe0626
800 satisfied customers
I have a 2012 GMC Terrain that won't start this afternoon.
I have a 2012 GMC Terrain that won't start this afternoon. It's the 4 cyl. model and recently has been having an issue over the past few weeks with what sounds like valve clatter. I purchased some gas… read more
GM Bob
GM Bob
Automobile Technician
High School or GED
1,079 satisfied customers
I just replaced the Mode Door Actuator on a 2012 Terrain. It
I just replaced the Mode Door Actuator on a 2012 Terrain. It now shifts air from the floor (previously the only location) to the defroster, but it still does not move air flow to the AC vents. Is ther… read more
sprinkles08
sprinkles08
Technician
High School or GED
18,052 satisfied customers
GM terrain: I have a 2012 GMC Terrain the ignition key is
I have a 2012 GMC Terrain the ignition key is stuck in the key slot and I can't get it out. Nor Can I start the car.… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GM Terrain SLE: My 2012 GMC Terrain will not start. When I
My 2012 GMC Terrain will not start. When I turn the key I hear no starter. The dashboard starts going crazy. Help!? :-(… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
I purchased my Terrain in may 2012. About two months later
I purchased my Terrain in may 2012. About two months later I began experiencing problems with the automatic rear hatch. From time to time it will not open at all & there is no way to manually open it.… read more
ASEMaster35yrs
ASEMaster35yrs
Vocational, Technical or Trade Scho
2,061 satisfied customers
Just bought a 2012 GMC Terrain and had an extra key made.
Just bought a 2012 GMC Terrain and had an extra key made. Tried to start the terrain with the new key and it wont crank. Now it wont start with either key. Im assuming I interfered with the vehicle se… read more
Dave Nova
Dave Nova
GMC Technician
Associate Degree
929 satisfied customers
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Meet the Experts:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

1,831 satisfied customers

GM Grand Master Technician 2007. 14 year experience.

Gary

Gary

ASE Certified Technician

1,589 satisfied customers

GCM master tech over 25 years

Dave Nova

Dave Nova

GMC Technician

929 satisfied customers

ASE Master Certification. GM World Class Certification

Chris (aka-Moose)

Chris (aka-Moose)

GMC Technician

675 satisfied customers

16 years of experience

Ron Z.

Ron Z.

- GMC Tech -

285 satisfied customers

18+yrs experience. State Inspector & GMC Diagnostics/Repair

JFN1

JFN1

ASE Certified Technician

272 satisfied customers

GM Master Technician

George H.

George H.

ASE MasterTechnician

230 satisfied customers

15+ Years ASE Master Technician with Level 1 Certification

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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