Horn
Press near or on the horn symbols on the steering wheel pad to sound the horn.
See also:
Keyless Trunk Opening
Lift up on the touch pad located
above the license plate to open the
trunk if the RKE transmitter is within
range. ...
When to Add Engine Oil
If the oil is below the L mark for the L6 engine or
the cross-hatched area at the tip of the dipstick
for the V8 engine, you will need to add at least one
quart/liter of oil. But you must use the ...
Retrieve My Number
1. Push . System responds:
“OnStar ready.”.
2. Say “My Number.” System
responds: “Your OnStar
Hands-Free Calling number is.” ...