We recommend that the tires, including the spare tire, if the vehicle has one, be inspected for signs of wear or damage at least once a month.
Replace the tire if:
Tires and Wheels Description and Operation (Tire Identification)
Identification
Accessory and warranty replacement must use TPC spec tires.
An outboard orientation stripe is added to the tread surface, with an
offset toward the outboard tire face.
All GM approved tires (Production, Service and Accessory) have a TPC
(Tire Performance C ...
Heating and Air Conditioning System Description and Operation
Engine Coolant
Engine coolant is the key element of the heating system. The engine thermostat
controls the normal engine operating coolant temperature. Coolant pumped out
of the engine enters the heater core through the inlet heater hose. The air
flowing through the HVAC module abs ...
Drive Range, Third Gear (Gen 1)
As vehicle speed increases and operating conditions become appropriate, the transmission
control module (TCM) processes input signals from the automatic transmission input
and output speed sensors, the throttle position sensor and other vehicle sensors
to determine the precise moment to comman ...