CTS Sedan RWD V6-3.0L (2010)
The only suitable lubricant is clean water for the drain hose to drain spout installation.
9. Inspect for proper drainage.
10. Install the headliner with an assistant. Refer to Headlining Trim Panel Replacement (Wagon) (See: Interior Moulding / Trim/Headliner/Service
and Repair)Headlining Trim Panel Replacement (Sedan) (See: Interior Moulding / Trim/Headliner/Service and Repair).