Sensors
The solar sensor, located on top of the instrument panel near the windshield, monitors the solar heat. The climate control system uses the information to adjust the temperature, fan speed, recirculation, and air delivery mode. Do not cover the solar sensor or the system will not work properly.
See also:
Vehicle Overview
GM says the Sierra 1500 Hybrid's gasoline V-8 and electric motors team up for
an overall mileage improvement compared with the regular Sierra. The Sierra
Hybrid is only available as a rear- or fou ...
Automatic Transmission Fluid
It is not necessary to check the transmission fluid level.
A transmission fluid leak is the only reason for fluid loss. If a leak occurs, take the vehicle to the dealer and have it repaired as soon a ...
How the System Works
URPA comes on automatically when the shift lever is moved into R (Reverse). A
single tone sounds to indicate the system is working.
URPA operates only at speeds less than 8 km/h (5 mph).
An obstac ...