06 Cadillac CTS: The anti-theft and T/C lights kept coming on. Now none of the dash or interior lights come, it won't start and I cannot remove the key. Took battery out and it tested good. Help!!

Carla Harris

Asked by Aug 14, 2016 at 10:25 PM about the 2006 Cadillac CTS 3.6L

Question type: Maintenance & Repair

2 Answers


The car is antitheft mode and will need to be reset by a lock smith or a dealer/mechanic with the proper diagnostic and computer.

Carla Harris

Thank you, T_S_T! I will try that.

Your Answer

Add photo

Related Questions

  • Theft system will not go off 6 answers

    I have a 06 Cadillac cts the theft lock comes on out the blue and will not turn off. The key will get stuck in the ignition. I can turn the car on and even put it in drive. Pls help someone

    2006 Cadillac CTS 3.6L


    Maintenance & Repair

  • Rear third brake light - LED 64 answers

    It quit working. I took it to three garages that all said it is a "Cadillac" thing or a short that can't be fixed. Why can't it be fixed. The dealer has ordered a whole new plastic piece that sits on ...

    2003 Cadillac CTS Base


    Maintenance & Repair

  • im having a problem getting key out of ignition 23 answers

    the key ignition will not turn all the way to get key out

    2004 Cadillac CTS


    Maintenance & Repair

  • Car won't start 7 answers

    Hello, I have a 2006 Cadillac CTS 2.8L, 74,000 km that is currently not starting. Drove around today with no problems, then on the way to my friends the audio system and all buttons associated with...

    2006 Cadillac CTS 2.8L


    Maintenance & Repair

  • Key stuck in Caddilac cts 05 1 answer

    I'm having the same problem my service anti theft light and traction control light are on and my key won't turn off all the way or come out but car will crank but my gas and temperature gage don't ...

    2005 Cadillac CTS 3.6L



Search Cadillac CTS Questions

Cadillac CTS Experts

#1 Gaetano Viesti
Gaetano Viesti
Reputation 940
#2 Brandon Foster
Brandon Foster
Reputation 850
#3 RushIII
Reputation 660
View All

Related Models For Sale

Used Cadillac CTS-V"
7 Great Deals out of 486 listings starting at $8,900
Used Cadillac SRX"
692 Great Deals out of 10,136 listings starting at $2,500
Used Cadillac STS"
48 Great Deals out of 1,349 listings starting at $2,995
Used Chrysler 300"
581 Great Deals out of 20,784 listings starting at $1,490
Used Dodge Charger"
646 Great Deals out of 29,672 listings starting at $2,275
Used Cadillac Escalade"
363 Great Deals out of 11,305 listings starting at $2,999
Used Cadillac DTS"
84 Great Deals out of 1,935 listings starting at $1,995
Used BMW 3 Series"
1,607 Great Deals out of 39,619 listings starting at $888
Used BMW 5 Series"
636 Great Deals out of 18,796 listings starting at $1,500
Used Ford Mustang"
733 Great Deals out of 41,077 listings starting at $900

Used Cars For Sale

2017 Cadillac CTS For Sale
1,835 listings starting at $45,410
2016 Cadillac CTS For Sale
28 Great Deals out of 2,596 listings starting at $31,200
2015 Cadillac CTS For Sale
37 Great Deals out of 856 listings starting at $21,000
2014 Cadillac CTS For Sale
40 Great Deals out of 869 listings starting at $19,599
2013 Cadillac CTS For Sale
90 Great Deals out of 1,020 listings starting at $10,995