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:
Keyless Access Operation
Some vehicles have the keyless access system that lets you lock and unlock
the doors and access the liftgate without removing the remote transmitter from
your pocket, purse, briefcase, etc. The keyl ...
Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block,
and Roadside Assistance, if the vehicle is equipped with these services. OnStar
can unlock the vehicle doors remotel ...
End a Call
Push . System responds:
“Call ended.” ...