Chevrolet Sonic Owner's Manual: Keys, Doors, and Windows

OnStar

If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview. ...

Keys and Locks

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Other materials:

Tread Wear Indicators Description
The original equipment tires have tread wear indicators that show when you should replace the tires. The location of these indicators are at 60 degree intervals around the outer diameter of the tire. The indicators appear as a 6 mm (0.25 in) wide band when the tire trea ...

Valve Guide Reaming, and Valve and Seat Grinding
Valve Cleaning Procedure Use soft bristle wire brush to clean any carbon build-up from the valve head. DO NOT use a wire brush on any part of the valve stem. The valve stem is chrome plated to provide enhanced wear characteristics. Wire brushing the stem could remove the chr ...

Hydraulic Brake System Description and Operation
System Component Description The hydraulic brake system consists of the following: Hydraulic Brake Master Cylinder Reservoir Contains a supply of brake fluid for the hydraulic brake system. Hydraulic Brake Master Cylinder Converts mechanical input force into hydr ...