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MALFUNCTION: In normal driving mode the stop lamp / brake lights do not shut off after releasing the braking controls. The stop lamps will shut off only after the accelerator pedal is used, or when the vehicle coasts below 10mph.  SAFETY: 1) When descending mountain roads the stop lamps remain illuminated for extended periods of time. In some cases the stop lamps remain illuminated for hundreds or thousands of feet after the brake controls have been released. In these situations the vehicle is now coasting downhill and NOT decelerating. In these situations there is no indication / communication provided to the traffic behind me that I am now braking and no longer coasting since the stop lamps have remained on since the previous braking event. 2) In addition, I am unable to communicate to vehicles behind by flashing my stop lamps multiple times by multiple taps on the brake pedal. The first use of the brake controls cause the stop lamps illuminate and they will remain illuminated until I use the accelerator.  CONFIRMED: I have communicated with my local Cadillac dealer and they have confirmed this takes place, and they call it a 'feature' of the vehicle.  THIS IS NOT: One Pedal Driving. The stop lamps illuminate correctly in this setting. Adaptive Cruise Control. The stop lamps illuminate correctly in this setting. Automatic Collision Avoidance. The stop lamps illuminate correctly in this setting.

CADILLAC LYRIQ 2026 SERVICE BRAKES

My Cadillac Lyriq 1GYXPZRL1TZ601181 Has dents on the passenger roof rail. There are three dents one above the front door and 2 on the rear door. I discovered the dents on May 17, 2026 and I showed my local dealer on May 18, 2026. I have not been in a hail storm. My dealer said I need to file an insurance claim.  Upon further research I have discovered that other owners have reported the same mysterious roof rail dents.

CADILLAC LYRIQ 2026 STRUCTURE:BODY

2026 Cadillac LYRIQ experienced multiple complete electrical failures. INCIDENT 1: Vehicle broke down on the road. Waited 3 hours for roadside assistance. Roadside team did not know where to take the vehicle. Owner was taken home and told to call again for a tow. INCIDENT 2: Vehicle towed to Massey Cadillac South Orlando. Owner was told repair would be free. After 6 days with no communication, owner was charged $1,290 for the repair. INCIDENT 3 (CURRENT): After picking up the repaired vehicle, it suffered a complete electrical failure in a Walmart parking lot. Vehicle would not start, doors would not open electronically. Owner contacted MyCadillac app support and was told assistance was unavailable until Monday-Saturday business hours. Owner and family were stranded until 11pm. CURRENT STATUS: Vehicle is currently inoperational in owner's garage. The vehicle has experienced repeated total electrical failures making it unsafe and undrivable. The vehicle is a safety hazard as it can fail at any time without warning, leaving occupants stranded and unable to exit the vehicle.

CADILLAC LYRIQ 2026 ELECTRICAL SYSTEM

Adaptive Cruise Control (ACC) caused dangerous unintended acceleration.  This model of vehicle has an ACC that maintains following distance from a leading vehicle. It will decelerate to a full stop and will resume after a full stop while maintaining a proper following distance when prompted by a brief push on the accelerator.  At the beginning of this incident, my ACC was set to about 40 MPH and I was following the car in front of me. At a traffic light, I came to a full stop behind the leading car for 10-15 seconds. At this point, I realized that the left lane turn signal changed to green which would allow me to proceed. Since there was no traffic in that lane, I decided to move from my lane to the open left lane. I turned the steering wheel to go around the car in front of me into the left lane. I then briefly touched the accelerator.  The result was that the car accelerated at a high pace. Since my foot on the accelerator initiated the event, it took me a second or so to move my foot to the brake and disable ACC. During the acceleration, I was able to steer into the left lane and make the subsequent left turn without incident.   I'm unlikely to make this mistake again. However, I'm pretty certain that this sequence is easily repeatable should you want to test for it.  This ACC behavior seems dangerous. I expect that resuming ACC while following a vehicle will result in acceleration. But if the car is pointed in a new direction while it is stopped, it seems inappropriate to allow the ACC to resume by tapping the accelerator.   A better ACC behavior would disable the"resume after a full stop" functionally if the wheel is turned more that a few degrees after an ACC controlled full stop.

CADILLAC LYRIQ 2026 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

**2026 - Cadillac Lyriq One-Pedal Driving and Brake Defect**  On November 4, 2026, at approximately 9:30 AM, I was driving my 2026 Cadillac Lyriq using the one-pedal driving feature while going below 20 miles per hour. Suddenly, the vehicle accelerated unexpectedly. I lifted my foot off the accelerator, but the car did not slow down despite the one-pedal driving being enabled.   Within a few seconds, various warning lights appeared on the dashboard, including messages such as "One-Pedal Driving Unavailable," "Brake Assist Off," "Auto-Hold Unavailable," and "Steering Assist is Reduced - Drive with Care." Additionally, warnings for "Service Headlamps," as well as red or yellow indicators for "Parking Setting," "ABS," and "Ready," were activated.  I made several attempts to apply the brakes, but they did not respond. I even tried to engage the parking brake, which also failed. Fortunately, I was lucky enough not to hit anyone or run over any curbs during this incident.  The 2026 Lyriq that I purchased has fewer than 500 miles on it and has been at the dealer service center for over two weeks.  This is a significant safety concern, and I believe Cadillac should take immediate action to address this issue.

CADILLAC LYRIQ 2026 FORWARD COLLISION AVOIDANCE: WARNINGS

2026 Cadillac LYRIQ AWD — vehicle data sourced from FuelEconomy.gov.

Le Cadillac LYRIQ AWD 2026 est un VUS électrique certifié, offrant une autonomie impressionnante de 303 miles et une puissance combinée de 368 ch. Avec sa transmission intégrale et une consommation de carburant électrique estimée à 85 mpg combiné, il représente un choix moderne et performant.

	2023	2024	2026
Prix	$62,990	$58,795–$64,795	—
Cylindrée	—	—	—
Type de carburant	Électrique	Électricité	Electricity
Transmission	transmission 1 vitesse	Automatique (A1)	Automatic (A1)
Type de carrosserie	SUV 4/5 places	Petit SUV 4RM	SUV

Cadillac LYRIQ AWD (2026) Spécifications