Weatherstrips
Silicone grease on weatherstrips will make them last longer, seal better, and not stick or squeak. Apply silicone grease with a clean cloth.
During very cold, damp weather frequent application may be required. See Recommended Fluids and Lubricants .
See also:
Engine Cooling When Trailer Towing
The cooling system may temporarily overheat during
severe operating conditions. See Engine Overheating. ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...
Dual Automatic Climate ControlSystem
With this system you can control the heating,
cooling and ventilation for your vehicle. When your
vehicle is first started and the climate control
system is on, or if the climate control system h ...