GM Service Manual Online
For 1990-2009 cars only

Some bi-fuel decals require information such as the date of manufacture or the tank service expiration date. Record any necessary information before applying the decal to the vehicle.

If a body panel or a component with a bi-fuel decal is replaced, apply the new decal as follows:


    Object Number: 491437  Size: LH
  1. The bi-fuel labels are located as follows:
  2. • Underhood Fuse Block Label (1)
    • Jack Usage Label (2)
    • Tank Cover Caution Label (3)
    • CNG Fill Caution Label (4)
    • CNG Filter Label (5)
    • CNG Fill Instruction Location Label (6)
    • CNG Fuel Only Label (7)
    • Vehicle Emission Control Information (VECI) Label (8)
    • CNG Tank Cover Caution Label (10)
    • Manufacturer Alteration Label (11)
    • Bi-Fuel Information Label (12)
    • Periodic Gasoline Operation Label (13)
    • CNG Tank Fill Valve Receptacle Seal (14)
    • CNG Warning Diamond Label (15)
    • CNG Tank Strap Certification (TRRC) Label (16)
    • CNG Tank Cover Caution Label (17)
  3. Refer to the Decal and Stripe Replacement procedure in Exterior Trim in the J Platform Service Manual.
  4. Apply the decal to the surface of the vehicle.