Gasoline Specifications (U.S. and Canada Only)
At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB-3.5 or 3.511 in Canada.
Some gasolines contain an octane-enhancing additive called methylcyclopentadienyl manganese tricarbonyl (MMT). We recommend against the use of gasolines containing MMT. See Fuel Additives for additional information.
See also:
Storing a Flat or Spare Tire and
Tools With a Slide In Fastener
1. If the flat tire is larger than the
spare tire, use the longer
mounting bolt.
2. Slide the shorter bolt to remove
it from the floor and insert the
longer one.
3. Replace the jack and to ...
Vehicle Messages
Messages displayed on the DIC
indicate the status of the vehicle or
some action that may be needed to
correct a condition. Multiple
messages may display one after the
other.
The messages th ...
Onstar.com
The website provides access to
account information, manages the
OnStar subscription, and allows
viewing of videos of each service.
Get subscription plan pricing and
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