Engine Oil Additives/Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
See also:
Repair Facility
GM also recommends that you choose a collision repair facility that meets your
needs before you ever need collision repairs. Your dealer may have a collision repair
center with GM-trained technici ...
When to Check Power Steering Fluid
It is not necessary to regularly check power steering fluid
unless you suspect there is a leak in the system or
you hear an unusual noise. A fluid loss in this system
could indicate a problem. H ...
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
RSS-210/211 of Industry and Science Canada.
Ope ...