OnStar®
OnStar OverviewEngine Overheating
The vehicle has an indicator to warn of the engine overheating. See Engine Coolant
Temperature Warning Light on page 5-18.
If the decision is made not to lift the hood when this warning appears, get service
help right away. See Roadside Assistance Program on page 13-5.
If the decision is made ...
Body Component Lubrication
Lubricate all key lock cylinders, hood hinges, liftgate hinges, steel fuel door
hinge, unless the components are plastic. Applying silicone grease on weatherstrips
with a clean cloth will make them last longer, seal better, and not stick or squeak.
Underbody Maintenance
At least twice a year, ...
Instrument Panel, Leather, Vinyl, Other Plastic Surfaces, Low Gloss Paint Surfaces
and Natural Open Pore Wood Surfaces
Use a soft microfiber cloth dampened with water to remove dust and loose dirt.
For a more thorough cleaning, use a soft microfiber cloth dampened with a mild soap
solution.
Caution
Soaking or saturating leather, especially perforated leather,
as well as other interior surfaces, may cause per ...