Replacing one of your Honda CR-V's rear signal lights isn't expensive or time-consuming. In fact, with the right replacement bulb in hand, it's easy enough for just about anyone to do. Please note that these instructions don't apply to CR-V models made before 2002.
Remove the keys from the ignition and engage the emergency brake for safety.
Walk around to the back of your CR-V and open the tailgate.
Lay the cloth over the taillight cover. Then, wedge the tip of a flathead screwdriver beneath the cover's edge and pry it away from the rear pillar.
Use a Phillips screwdriver to remove the taillight assembly mounting screw from beneath the cover. Once the screw's loose, pull the assembly away from the car.
Twist the turn signal bulb socket one quarter-turn counterclockwise to remove it from the tail light assembly. Then, pull the broken bulb straight out of the socket and dispose of it immediately.
Insert the replacement bulb directly into the empty socket and then twist the socket back into the taillight assembly.
Test the turn signal to make sure it's working. If the bulb lights up, screw the tail light cover back onto the assembly and close the tailgate.