2014 Cadillac CTS Owner Manual - Page 212

9-18 Driving and Operating See Starting the Engine on page 9-18. The ignition will then remain in ON/RUN. Service Only Mode This power mode is available for service and diagnostics, and to verify the proper operation of the malfunction indicator lamp as may be required for emission inspection purposes. With the vehicle off, and the brake pedal not applied, pressing and holding the button for more than five seconds will place the vehicle in Service Only Mode. The instruments and audio systems will operate as they do in ON/RUN, but the vehicle will not be able to be driven. The engine will not start in Service Only Mode. Press the button again to turn the vehicle off. { Caution Do not try to shift to P (Park) if the vehicle is moving. If you do, you could damage the transmission. Shift to P (Park) only when the vehicle is stopped. Starting Procedure 1. If equipped with the Keyless Access system, the Remote Keyless Entry (RKE) transmitter must be in the vehicle. Put your foot on the brake pedal and press the ENGINE START/ STOP button. When the engine begins cranking, let go of the button. The idle speed will go down as the engine gets warm. Do not race the engine immediately after starting it. Operate the engine and transmission gently to allow the oil to warm up and lubricate all moving parts. If the RKE transmitter is not in the vehicle or something is interfering with the transmitter, the Driver Information Center (DIC) will display a message. See Key and Lock Messages on page 5-40. If the battery in the RKE transmitter needs replacing, the DIC will display a message. The { Caution If you add electrical parts or accessories, you could change the way the engine operates. Any resulting damage would not be covered by the vehicle warranty. See Add-On Electrical Equipment on page 9-70. Starting the Engine Move the shift lever to P (Park) or N (Neutral). The engine will not start in any other position. To restart the engine when the vehicle is already moving, use N (Neutral) only.