Manufacturer communication — 2006 GMC YUKON DENALI XL

• Applies to 2015 and prior GM passenger cars and trucks.

  the passage

  2015 and Prior GM Passenger Cars and Trucks

• GM does not oppose the use of purified nitrogen as an inflation gas for tires.

  the passage

  General Motors does not oppose the use of purified nitrogen as an inflation gas for tires.

• NHTSA has stated that tires can lose up to 5% of inflation pressure a month.

  the passage

  NHTSA (National Highway Traffic Safety Administration) has stated that the inflation pressure loss of tires can be up to 5% a month.

Caution

• Even occasional inflation with compressed atmospheric air will negate many of the theoretical benefits.

  the passage

  Even occasional inflation with compressed atmospheric air will negate many of the theoretical benefits.

• Non-GM valve stem caps can lose their seal at the cap, which may let contaminants and water into the valve stem.

  the passage

  The use of non GM valve stem caps can result in a loss of sealing at the cap. This may allow contaminants/water into the valve stem.

• Those contaminants can damage or destroy the TPMS, and such damage is not covered by the GM New Vehicle Warranty.

  the passage

  These contaminants can damage/destroy the TPMS and such damage caused by leakage of contaminants would not be covered by the GM New Vehicle Warranty.

• Whatever the inflation gas (air or nitrogen), maintaining inflation pressure is critical for tire and vehicle performance.

  the passage

  Regardless of the inflation media for tires (atmospheric air or nitrogen), inflation pressure maintenance of tires is critical for overall tire, and ultimately, vehicle performance.