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:
Engine Fan Noise
Your vehicle has a clutched engine cooling fan.
When the clutch is engaged, the fan spins faster to
provide more air to cool the engine. In most
everyday driving conditions the clutch is not
eng ...
Store a Name Tag for Speed
Dialing
1. Push . System responds:
“OnStar ready.”.
2. Say “Store.” System responds:
“Please say the number you
would like to store.”.
3. Say the entire number without
pausing. System resp ...
Universal Home Remote SystemOperation (With Three Round LED)
Your vehicle may have the Universal Home Remote
System. If there are three round Light Emitting
Diode (LED) above the Universal Home Remote
System buttons, follow the instructions below.
If th ...
