2015 Cadillac CTS Owner Manual - Page 290

Vehicle Care 2. Drain Plug 10-27 To get an accurate reading, the vehicle should be on a level surface. If the level is below the bottom of the fill plug hole, on the transfer case, some lubricant will need to be added. Add enough lubricant to raise the level to the bottom of the fill plug hole. Use care not to overtighten the fill plug. What to Use Refer to the Maintenance Schedule to determine what kind of lubricant to use. See Recommended Fluids and Lubricants on page 11-13. 1. Before starting this check, be sure there is enough room around the vehicle. 2. Firmly apply both the parking brake and the regular brake. Do not use the accelerator pedal, and be ready to turn off the engine immediately if it starts. 3. Try to start the engine in each gear. The vehicle should start only in P (Park) or N (Neutral). If the vehicle starts in any other position, contact your dealer for service. 1. Before starting this check, be sure there is enough room around the vehicle. It should be parked on a level surface. 2. Firmly apply the parking brake. See Electric Parking Brake on page 9-28. Be ready to apply the regular brake immediately if the vehicle begins to move. 3. With the engine off, turn the ignition on, but do not start the engine. Without applying the regular brake, try to move the shift lever out of P (Park) with normal effort. If the shift lever moves out of P (Park), contact your dealer for service. Starter Switch Check Automatic Transmission Shift Lock Control Function Check { Warning When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured. { Warning When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured.