Reactivation for Subsequent Owners
Push 
and follow the prompts to
speak to an Advisor as soon as
possible after acquiring the vehicle.
The Advisor will update vehicle records and will explain the OnStar service offers and options available.
See also:
Key and Lock Messages
REPLACE BATTERY IN REMOTE KEY
This message displays if a Remote Keyless Entry (RKE) transmitter battery is
low. The battery needs to be replaced in the transmitter. See “Battery Replacement”
unde ...
Towing the Vehicle
Notice: To avoid damage, the
disabled vehicle should be
towed with all four wheels off
the ground. Care must be taken
with vehicles that have low
ground clearance and/or special
equipment. ...
Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher.
If the octane rating is less than 87, an audible knocking noise, commonly
referred to as spark knock, might be heard when d ...