At least twice a year, Spring and Fall, use plain water to flush dirt and debris from the vehicle's underbody. Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop.
Body Component Lubrication
Sheet Metal DamageDoor Locks
Warning
Unlocked doors can be dangerous.
Passengers, especially children, can easily open the doors and fall out
of a moving vehicle. When a door is locked, the handle will not open it. The
chance of being thrown out of the vehicle in a crash is increased if the doors
are not locked. S ...
Remote Keyless Entry (RKE) System Operation
The RKE transmitter may work up to 60 m (195 ft) away from the vehicle.
Other conditions can affect the performance of the transmitter. See
Remote Keyless Entry (RKE) System.
RKE without Remote Start
Shown
The following buttons are on the transmitter:
...
Transmission Fluid Cooler Flushing and Flow Test
GM studies indicate that plugged or restricted transmission oil coolers and pipes
cause insufficient transmission lubrication and elevated operating temperatures
which can lead to premature transmission failure. Many repeat repair cases could
have been prevented by following published procedur ...