This light comes on briefly
when the ignition is turned
on, and the engine is not
running, as a check to
show it is working. Then it
should go out when the
engine is started.
If the light stays on, or comes on while driving, there may be a problem with the electrical charging system.
Have it checked by your dealer/retailer. Driving while this light is on could drain the battery.
If a short distance must be driven with the light on, turn off all accessories, such as the radio and air conditioner.
Chevrolet Cobalt Service & Repair Manual. Wheel, Replace
Removal
Caution: Never use heat to
loosen a tight wheel. This can shorten the life of wheel and damage wheel
bearings.
Wear approved safety glasses when
performing the following service procedures.
Do not use power grinders to clean
any of the brake ...