A soft cloth dampened with water can be used to remove dust. If a more thorough cleaning is necessary, a soft cloth dampened with a mild soap solution can be used. Allow the leather to dry naturally. Do not use heat to dry. Never use steam to clean leather. Never use spot lifters or spot removers on leather. Many commercial leather cleaners and coatings that are sold to preserve and protect leather may permanently change the appearance and feel of the leather and are not recommended. Do not use silicone or wax-based products, or those containing organic solvents to clean the vehicle's interior because they can alter the appearance by increasing the gloss in a non-uniform manner. Never use shoe polish on leather.
Chevrolet Cobalt Service & Repair Manual. Description
This ignition system uses one
coil for each pair of cylinders. Each pair of cylinders that are at Top
Dead Center (TDC) at the same time are known as companion cylinders. The
cylinder that is at TDC of its compression stroke is called the event cylinder.
The cylinder that is a ...