GMC Terrain: 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 driving. If this occurs, use a gasoline rated at 87 octane or higher as soon as possible. If heavy knocking is heard when using gasoline rated at 87 octane or higher, the engine needs service.
Fuel
Use of the recommended fuel is an important part of the proper maintenance of
this vehicle. To help keep the engine clean and maintain optimum vehicle performance,
we recommend the use of gasoline ...
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 methylcyclopen ...
See also:
Precautions when the vehicle is being towed
• Attach jumper cables (see page 114) to
provide current for releasing the electric
parking brake and to move the gear selector
from the P position to N.
• Be sure that the steering wheel l ...
Voice Recognition
The voice recognition system uses commands to control the system and dial phone
numbers.
Noise: The system may not recognize voice commands if there is too much background
noise.
When to Speak: ...
Cautions on the handling of 4-wheel drive vehicles
Tyres and wheels
Since the driving torque can be applied to the 4 wheels, the driving performance
of the vehicle when operating in 4-wheel drive is greatly affected by the condition
of the tyres. ...
