Chevrolet Sonic Owner's Manual: OnStar

Radio Frequency Statement

This vehicle has systems that operate on a radio frequency that comply with Part 15 of the Federal Communications Commission (FCC) rules and with Industry Canada Standards RSS‐GEN/210/220/31 ...

OnStar Overview

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. The OnStar system s ...

Other materials:

Rear Window and Outside Mirror Defogger
(Rear Window Defogger): Press to turn the rear window and outside mirror defogger on or off. An indicator light comes on to show that the feature is on. The rear window defogger turns off after about 10 minutes. It can also be turned off by pressing again or by turning the ignition to ACC ...

Torque Lock (Automatic Transmission)
If you are parking on a hill and you do not shift the transmission into P (Park) properly, the weight of the vehicle may put too much force on the parking pawl in the transmission. You may find it difficult to pull the shift lever out of P (Park). This is called “torque lock.” To prevent t ...

Brake Drum Surface and Wear Inspection
Special Tools CH-8001 Dial Indicator Set For equivalent regional tools, refer to Special Tools. Warning: Refer to Brake Dust Warning. With the brake drum removed, clean the brake shoe lining contact surface of the brake drum with denatured alcohol or an equivalent approved brak ...