Turn Signals When Towing a Trailer
The arrows on your instrument panel will flash whenever you signal a turn or lane change.
Properly hooked up, the trailer lamps will also flash, telling other drivers you’re about to turn, change lanes or stop.
When towing a trailer, the arrows on your instrument panel will flash for turns even if the bulbs on the trailer are burned out. Thus, you may think drivers behind you are seeing your signal when they are not. It’s important to check occasionally to be sure the trailer bulbs are still working.
See also:
Underbody Maintenance
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. ...
Taillamps, Turn Signal, Stoplamps, and Back-Up Lamps
A. Back-Up Lamp
B. Turn Signal Lamp
To replace one of these lamps:
1. Open the trunk. See Trunk.
2. Remove the fasteners and pull
back the trunk trim.
3. Remove the four plastic wing
nuts h ...
Your Responsibility
Increase the volume of the radio if the OnStar Advisor cannot be heard.
If the light next to the OnStar buttons is red, the system may not be functioning properly. Push and request a vehicle diagnos ...