How to reset the brake lamp warning indicator and chime

check fuses first, cab and bay
if all good
scan the PCM .
or get it scanned.

the higher the compression ratio the higher the octane rating required
normal compression ratio 10 or 11:1 will run on 91 or 95 octane rating
higher will require 100-110 octane rating or aircraft engine gas
superchargers only increase the amount of air available for combustion
it is the compression ratio that determines the octane rating required

some hmbl' s (high mount brake light) have screws in the bottom some have a accessable socket in the trunk (lay on your back and side into the trunk and look up) if you see little plastic feet get into and grab the light usualy pull back to unhook the feetand lift the light enuff to access the socket give that a 1/4 turn to release bulb

The light will go out if you have ALL bulbs working correctly and have the CORRECT bulbs installed. Check again.

no i dont think that car has a lamp out warning
check the brake fluid level
also parking brake switch ma be stuck or park brake partially down. try pulling brake release and pulling up pedal with foot

is it a series 2 or series 1 3800

Be aware that if the (BRAKE!) light is on you are probably low on brake fluid and while your brakes are still working properly, there is a possible fluid leak somewhere that is going to causse them to not work at all. When this light is on it is serious. Although the sensor in the master cylinder that tells this light to come on is probably the answer, as they tend to malfunction in your vehicle. Check your brake fluid immediately, and fill it if it is legitimately low.
If the (ABS) brake light is on it is probably an ABS speed sensor in the vehicle that is bad, If the abs light is on have a service center do a diagnostic scan to verify which sensor is bad.

With the key OFF, turn on parking lamps and emergency flashers. Then walk around the entire car, looking for lamps changing brilliance. Any that DON'T change brilliance either have a bad bulb or a bad ground connection!

From left to right
1. The wrench light is the service interval light.It will illuminate after about 4800 miles or 358 days to remind you your vehicle is due for service.To reset hold the SELECT and UNITS buttons on the trip computer for 5 secs. The light will illuminate then extinguish itself after about 4 secs.
2. Frost warning light. This light illuminates yellow when exterior temps are between 39 to 32 deg. F to warn you of possible icing on the roads.It will illuminate red if temps drop below 32 Deg.
3. Brake pad warning. Will illuminate when brake pads have worn down to the sensors in the pads.
4. Washer fluid warning.
5. Door Ad-jar
6. Bulb failure. Indicates an exterior bulb is out.This will illuminate until brake pedal is pressed after starting engine unless of course one of the brake lamp bulbs is burnt out.

remove instrument cluster and check for loose connections. If none found then send cluster off for repairs