A lot of GM products, they're programmed for stay on for a couple minutes after the car is shut off, then cut out. If yours are staying on, you've probably got either ECM issues or a short to power in the wiring harness.
All street legal vehicles have head lights.
The 2006 Cadillac CTS has a V6 engine.
The 2006 Cadillac CTS has 24 valves.
The 2006 Cadillac CTS is a gas-powered vehicle.
The 2006 Cadillac CTS has a 6-speed manual.
The 2006 Cadillac CTS is 15 ft. 10.1 in. (190.1 in.) long.
The 2006 Cadillac CTS's turning circle is 35.5 ft..
The 2006 Cadillac CTS-V has 16 valves.
The 2006 Cadillac CTS has double overhead cam (DOHC).
The curb weight of the 2006 Cadillac CTS is 3509 lbs..
The 2006 Cadillac CTS-V has a V8 engine.
The 2006 Cadillac CTS runs on regular unleaded.