Frequently Asked Questions
Everything you need to know about this head unit
Connect the single RCA cable with the yellow plug (included in your package) to extend your Bluetooth signal. This cable doubles as both a camera input AND a Bluetooth/WiFi antenna extension. The two small blue wires attached are antenna boosters that significantly improve connection stability. This simple connection takes 30 seconds and resolves 90% of Bluetooth issues. Make sure it's firmly connected even if you're not using a rear camera.
Try these proven solutions:
1. Quick Fix: Settings → Apps → Z-Link → Disable → Enable → Open (repeat each use)
2. Check Cables: Use the data/charge USB cable (not charge-only)
3. Bluetooth Setting: Disconnect all other Bluetooth connections - CarPlay needs exclusive access
4. Factory Reset Z-Link: Find the pink 'RESET' app, restart, reconnect Bluetooth, then try Z-Link
5. Sound Issues: Switch audio source to 'AUX' or 'USB/AUX' in your vehicle menu
Most issues are resolved with step 1 or 3!
The processor differs between models: The 2/32GB has a 4-Core processor, while 4/64GB and 8/128GB models feature the powerful 8-Core Cortex-A55 processor. Combined with RAM differences: The 2/32GB model with its 4-Core processor and limited RAM may experience slowdowns with heavy multitasking. The 4/64GB with 8-Core provides smooth performance for most users - no lag, seamless app switching, and enough storage for maps and music. The 8/128GB with 8-Core offers maximum performance with its generous RAM allowing unlimited multitasking and massive storage for extensive media libraries. Think of RAM like your desk space - more RAM means you can have more apps open simultaneously without slowing down.
Absolutely normal! These head units are complete replacement systems with their own GPS antenna, microphone, and Bluetooth module. Your factory connectors for these features won't be needed anymore. The important connections are: main power harness, speaker outputs, and the yellow RCA cable (even if not using a camera - it extends Bluetooth range). Any leftover factory plugs can be safely tucked away. If you're unsure about any connection, our support team is here 7 days a week.
Z-Link updates are handled through system firmware updates. Go to Settings → System → System Update. If an update is available, download it to a USB drive (FAT32 format) and install. Important: Never download Z-Link APKs from unofficial sources - they won't work and may cause issues. If you're having compatibility issues with newer iOS versions, the disable/enable workaround (Settings → Apps → Z-Link) usually resolves them while waiting for official updates.
Consider your usage:
• 2/32GB (4-Core): Budget option - fine for basic use, but may lag with multiple apps due to 4-Core processor and limited RAM
• 4/64GB (8-Core): Sweet spot - smooth Android Auto/CarPlay, multitasking, and ample storage
• 8/128GB (8-Core): Premium choice - unlimited multitasking, massive storage, future-proof for years
Most customers choose 4/64GB for the perfect balance of performance and value. The extra RAM makes a huge difference in daily smoothness!
The yellow RCA cable's blue antenna wires also boost WiFi signal! Make sure this cable is connected. Additionally, try these tips: Position the blue antenna wires away from metal surfaces, check that your phone's hotspot is set to 2.4GHz (not 5GHz) for better range, and ensure the head unit's WiFi sleep policy is set to 'Never' in Settings → WiFi → Advanced. For best performance with wireless CarPlay, keep your phone within 1-2 meters of the head unit.
Go to Settings → Sound → Equalizer and adjust to your preference. For more volume, increase the 'Loudness' setting. The 4/64GB and 8/128GB models have superior audio chips that provide cleaner, louder sound. If you have an amplifier, use the RCA outputs for best quality. Also check Settings → Factory Settings (password usually 126) → Audio settings for additional gain controls. Remember: higher-spec models (4GB+) include premium audio components for noticeably better sound.
Yes! Most vehicles work instantly. If not, use the steering wheel learning app: tap the steering wheel icon, press each button on your wheel, and assign functions. For newer vehicles with CANbus, we provide CANbus modules for automatic setup. Some vehicles may need the Key1/Key2 wires connected (usually included in our harness). If you're having trouble, let us know your exact vehicle model and we'll provide specific instructions.
We offer a 30-day return policy. If it doesn't fit or there's a compatibility issue, we'll work with you to resolve it. If you change your mind, a 20% restocking fee applies. Our team verifies compatibility before shipping to minimize issues. We provide installation support 7 days a week to help resolve any problems. With our 3-year warranty and Australian-based support, you can purchase with confidence. Full details in our Refund Policy.
Historical Evolution of the Jeep Cherokee:
First Generation SJ (1974–1983):
Initially introduced as a sporty, two-door variant of the full-size Jeep Wagoneer, the original Cherokee offered purchasers a rugged vehicle emphasizing adventure and reliable four-wheel-drive performance. It captivated those seeking both off-road capability and everyday comfort, pioneering early SUV appeal through a practical yet refined design.
Second Generation XJ (1984–2001):
Perhaps the most influential Cherokee, the XJ model dramatically shaped the SUV market concept. Considerably downsized, the XJ became the compact SUV standard, applauded globally for a unibody construction that delivered both lower weight and increased on-road comfort without compromising genuine off-road ability. Praised especially for efficient inline-six engines, robust performance, dependability, and agreeable practicality, it gained wide acclaim domestically and internationally. To this day, the XJ Cherokee maintains an affectionate cult following among off-road enthusiasts and urban drivers alike.
Third Generation KJ "Liberty" (2002–2007, USA):
The Cherokee famously adopted the name “Liberty” in North America for the KJ generation, while in international markets such as Europe and Australia, Jeep continued using the beloved Cherokee name. The KJ introduced design and styling changes to meet evolving tastes, offering more rounded edges, updated interior features, and improved ride comfort. Though distinct visually from the previous generation, its reliable off-road prowess persisted through robust construction, modernized suspension systems, and powertrain advancements.
Fourth Generation KK "Liberty" (2008–2012, USA):
Continuing with another "Liberty" model in North America (again sold internationally under the Cherokee name), the KK embraced boxier, robust styling with increased passenger cabin refinement and upgraded technology. This generation incorporated improved driver-assistance features, comfort enhancements, and further refined its renowned trail-capable driving dynamics, solidifying its reputation as a reliable option blending daily usability with weekend adventure credentials.
Fifth Generation KL Jeep Cherokee (2014–2022):
Launching in 2014, the KL Cherokee marked a distinctive shift toward contemporary and nuanced automotive design, capturing broad attention for its progressive aesthetic direction. Notable visual characteristics, such as slim headlights, sleek aerodynamics, and a distinctively sculpted silhouette distinguished the KL prominently within Jeep’s lineup. Beyond aesthetics, the KL generation represented significant operational and technological leaps. Jeep delivered refined ride quality by adopting independent suspension systems, numerous drivetrain choices, and advanced, configurable all-wheel-drive capability through innovative technologies such as Jeep’s Active Drive systems. The availability of trim levels like Trailhawk offered off-road enthusiasts specialized attention to rugged performance, embracing real-world trail and off-road practicality alongside premium comfort and efficiency.
Notable improvements emerged internally as well. Material craftsmanship advancements delivered noticeably elevated cabin environments, while interior ergonomics improved significantly. Jeep’s Uconnect Infotainment systems progressed steadily through KL’s production years, initially integrating convenient features like Bluetooth calling and streaming audio, subsequently transitioning toward full smartphone connectivity in later model updates— though early-generation systems did not offer Apple CarPlay or Android Auto connectivity as standard.
Integrating Brummstadt Premium Head Unit Technology:
Awareness of modern expectations from drivers regarding smartphone technology integration and connectivity inspired specialized aftermarket solutions for earlier KL editions without native smartphone connectivity. Brummstadt offers specifically tailored head units for the Jeep Cherokee KL models, seamlessly incorporating both wired and wireless Apple CarPlay and Android Auto functions directly into the original design architecture of the vehicle. Unlike general-purpose options, Brummstadt’s solution precisely compliments KL’s cabin aesthetics, meticulously matching the dashboard contours, color, and material finish in a way that maintains visual continuity in the vehicle’s carefully crafted interior.
Among the highlights, owners appreciate streamlined compatibility with leading navigation platforms including Google Maps, Apple Maps, and Waze. Consider, for example, a relaxing dinner with family — after finishing the meal, a previously planned route is instantly mirrored on-screen via wireless connectivity between smartphone apps and the head unit. Such sophisticated interaction eases transition between daily activities, perceptively alleviating stress associated with urban or unfamiliar route navigation.
An additional upgrade path further broadens safety and practical usability by offering a 1080p high-resolution front and rear camera system capable of recording while traveling, significantly strengthening safety by comprehensively documenting vehicle surroundings for incident reference. Comforting for drivers in unexpected or busy urban settings, this technology adds tangible everyday safety reassurance.
Beyond conventional usage, entertainment extends generously on the Brummstadt unit. Passengers may enjoy engaging multiplayer games directly operated using physical game controllers connected via integrated USB ports. This distinctive offering markedly transforms moments typically associated with routine journeys, greatly enriching interactions and building memorable experiences during extended trips.
The infotainment upgrade also embraces native smart voice control technology, adeptly managing media playback, calling contacts, reading messages, and providing directional assistance through simple verbal commands. Moreover, integrating smoothly with Siri or Google Assistant, owners gain intuitive compatibility with broader smart-home ecosystems. By instructing the system verbally—"Hey Siri, turn on the porch lights"—a user’s lifestyle becomes increasingly connected, streamlined, and efficiently intuitive from car seat to household threshold.
Remarkable Advantages across the Jeep Cherokee KL Generation:
Throughout its production run, the Jeep Cherokee KL generation has consistently distinguished itself through sophisticated interior refinement, balanced everyday driving dynamics, and a genuine yet subtle capability that confidently extends from city boulevards to authentic off-road environments. Combining comfort, upscale fit-and-finish, and comprehensive technology (especially boosted with aftermarket infotainment systems like Brummstadt’s unit), the KL Cherokee has presented itself convincingly as a well-rounded, purposeful family SUV. Its careful design approach ensures it gracefully manages both daily transport needs and weekend outings requiring more demanding off-road capabilities.
By thoughtfully integrating contemporary technology solutions, the ownership and driving experience of any KL-generation Cherokee is markedly improved. Connection-focused enhancements and intelligent infotainment ecosystems reconcile the needs of today’s connected drivers without detracting from the vehicle’s original charm and practicality. In a crowded segment historically challenged in balancing urban sophistication with adventurous capability, the Cherokee KL standout successfully embodies this essential harmony, continuously reaffirming the cherished nameplate’s enduring significance in global automotive tradition.