Chevrolet Sonic Repair Manual: 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 tread depth becomes 1.6 mm (2/32 in).
Transmission Indicators and Messages
The following transmission-related indicators and messages may be displayed on
the Instrument Panel Cluster (IPC). For a complete listing and description of all
vehicle indicators and messag ...
Audible Warnings Description and Operation
The audible warnings alert the driver of a system concern or a critical vehicle
condition. The radio generates the audible warnings through the speakers. The radio
receives audible warning request ...
Other materials:
Rear Side Door Window Switch Replacement
Rear Side Door Window Switch Replacement
Callout
Component Name
Preliminary Procedure
Remove the rear side door window switch bezel. Refer to Rear Side Door
Window Switch Bezel Replacement.
1
Re ...
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 ...
Engine Block Disassemble
Remove the cylinder head locating (1, 2).
Remove the oil pressure switch (1).
Remove the knock sensor bolt (2) and the knock sensor (1).
Clean the thread.
Remove the oil flow check valve (1).
Remove the oil pressure rel ...
0.006