Sedan and Wagon Base Model
Cadillac CTS / Cadillac CTS Owners Manual / Keys, Doors, and Windows / Keys and Locks / Door Locks (Sedan and Wagon) / Sedan and Wagon Base Model
From the inside, use the door lock knob on the top of doors.
See also:
Engine Oil Pressure Light
Notice: Lack of proper engine oil
maintenance can damage the
engine. Driving with the engine oil
low can also damage the engine.
The repairs would not be covered
by the vehicle warranty. Chec ...
Engine Heater
The engine coolant heater, if available, can help in cold weather conditions
at or below −18°C (0°F) for easier starting and better fuel economy
during engine warm-up.
Plug in the coolant h ...
Selecting the Right Engine Oil
Selecting the right engine oil depends on both the proper oil specification and
viscosity grade. See Recommended Fluids and Lubricants .
Specification
Use and ask for licensed engine oils wi ...