The parts are cheap - see sources and related links below. The procedure to replace them yourself should be in your owner's manual. Note, if multiple bulbs seem to be out at the same time, check your fuses first (info also in owner's manual).
GET INTO THE TRUNK AND PULL DOWN THE CARPETING BY THE SIGNAL AND YOU WILL SEE THE BULBS JUST REMOVE AND REPLACE
It sounds to me like your bulbs are out. These bulbs have a lifespan just like the light bulbs in the lamps that you have at home. These are easy and cheap to replace, and you can usually access the bulbs from your trunk, if you own a car.
Replace the signal flasher relay.
Front signal bulbs on a RSX are changed from the engine bay. Find the lightbulbs for the signal bulbs located towards the bumper of the vehicle. Pull them out and replace them.
Check turn signal switch. Pull back lighty on turn signal lever and brake lights will come on. Replace switch inside steering column. The green and yellow wires you see at the bulbs are the ones that control the brake lights and turn signals.
To replace the brake light bulbs on a VW Polo, pull away the carpeting in the trunk, unscrew the bolt holding the lights on, and disconnect the wiring. Replace the bulbs, put the wiring and bolts back, then replace the carpeting.
Either hand signal or check and replace your fuses and turn signal bulbs.
One of the bulbs is out. Replace it.
you probally need to replace the bulbs
When replacing the rear turn signal on a 1999 Acura Integra open the trunk. Locate the rear turn signal housings and find the bulbs. Remove and replace the bulbs.
AnswerThe bulbs for the brake lights are usually separate from the normal tail light bulbs. Check and replace the brake bulbs first, and if they are still not working examine the fuses, switch and wiring.
Just turn the housing the bulb is in and pull it out. Remove and replace the bulb the same way. For the rear lights, you have to push on a tab to release the housing the bulbs are in.